Selected citations from 1994 to mid 2000 for: ``Smooth stabilization implies coprime factorization,'' IEEE Trans. Automatic Control 34(1989): 435-443. (over 100) Khalil HK Universal integral controllers for minimum-phase nonlinear systems IEEE T AUTOMAT CONTR 45: (3) 490-494 MAR 2000 Bonnet C, Partington JR, Sorine M Robust stabilization of a delay system with saturating actuator or sensor INT J ROBUST NONLIN 10: (7) 579-590 JUN 2000 Ezal K, Pan ZG, Kokotovic PV Locally optimal and robust backstepping design IEEE T AUTOMAT CONTR 45: (2) 260-271 FEB 2000 Khalil HK On the design of robust servomechanisms for minimum phase nonlinear systems INT J ROBUST NONLIN 10: (5) 339-361 APR 30 2000 Rosier L Smooth Lyapunov functions for discontinuous stable systems SET-VALUED ANAL 7: (4) 375-405 DEC 1999 Baramov L Solutions to a class of non-standard non-linear H infinity control problems INT J CONTROL 73: (4) 276-291 MAR 10 2000 Christofides PD Robust output feedback control of nonlinear singularly perturbed systems AUTOMATICA 36: (1) 45-52 JAN 2000 Tsinias J, Karafyllis I ISS property for time-varying systems and application to partial-static feedback stabilization and asymptotic tracking IEEE T AUTOMAT CONTR 44: (11) 2179-2184 NOV 1999 Sanchez EN, Perez JP Input-to-state stability (ISS) analysis for dynamic neural networks IEEE T CIRCUITS-I 46: (11) 1395-1398 NOV 1999 Krstic M, Deng H Output-feedback control of stochastic nonlinear systems - Stabilization, disturbance attenuation, and adaptation LECT NOTES CONTR INF 244: 269-289 1999 Panteley E, Loria A, Sokolov A Global uniform asymptotic stability of cascaded non-autonomous non-linear systems: Application to stabilisation of a diesel engine EUR J CONTROL 5: (1) 107-115 1999 Tzamtzi MP, Tzafestas SG A small gain theorem for locally input to state stable interconnected systems J FRANKLIN I 336: (6) 893-901 AUG 1999 Isidori A, Schwartz B, Tarn TJ Semiglobal L-2 performance bounds for disturbance attenuation in nonlinear systems IEEE T AUTOMAT CONTR 44: (8) 1535-1545 AUG 1999 Tsinias J The concept of 'Exponential input to state stability' for stochastic systems and applications to feedback stabilization SYST CONTROL LETT 36: (3) 221-229 MAR 15 1999 Hespanha JP, Morse AS Certainty equivalence implies detectability SYST CONTROL LETT 36: (1) 1-13 JAN 12 1999 Nesic D, Sontag ED Input-to-state stabilization of linear systems with positive outputs SYST CONTROL LETT 35: (4) 245-255 NOV 19 1998 Schwartz B, Isidori A, Tarn TJ Global normal forms for MIMO nonlinear systems, with applications to stabilization and disturbance attenuation MATH CONTROL SIGNAL 12: (2) 121-142 1999 Angeli D Input-to-state stability of PD-controlled robotic systems AUTOMATICA 35: (7) 1285-1290 JUL 1999 Feng CB, Fei SM A unified approach for stability analysis of a class of time-varying nonlinear systems IEEE T AUTOMAT CONTR 44: (5) 998-1002 MAY 1999 Isidori A, Joshi SM, Kelkar AG Asymptotic stability of interconnected passive non-linear systems INT J ROBUST NONLIN 9: (5) 261-273 APR 30 1999 Tzamtzi MP, Tzafestas SG Stability robustness of feedback linearisable systems with input unmodelled dynamics IEE P-CONTR THEOR AP 146: (1) 77-83 JAN 1999 Jiang ZP, Mareels I, Hill D Robust control of uncertain nonlinear systems via measurement feedback IEEE T AUTOMAT CONTR 44: (4) 807-812 APR 1999 Marino R, Tomei P Nonlinear output feedback tracking with almost disturbance decoupling IEEE T AUTOMAT CONTR 44: (1) 18-28 JAN 1999 Huang Y, Han JQ A new synthesis method for uncertain systems - the Self-Stable Region approach INT J SYST SCI 30: (1) 33-38 JAN 1999 Tsinias J Global stabilization by output dynamic feedback for triangular systems AUTOMATICA 35: (1) 183-186 JAN 1999 Tsinias J Stochastic input-to-state stability and applications to global feedback stabilization INT J CONTROL 71: (5) 907-930 NOV 20 1998 Chen DR, Han ZZ Robust right coprime factorization and robust stabilization of nonlinear feedback control systems IEEE T AUTOMAT CONTR 43: (10) 1505-1510 OCT 1998 Banos A Parameterization of nonlinear stabilizing controllers: The observer-controller configuration IEEE T AUTOMAT CONTR 43: (9) 1268-1272 SEP 1998 Haddad WM, Fausz JL, Chellaboina VS, et al. A unification between nonlinear-nonquadratic optimal control and integrator backstepping INT J ROBUST NONLIN 8: (10) 879-906 AUG 1998 Jiang ZP, Praly L Design of robust adaptive controllers for nonlinear systems with dynamic uncertainties AUTOMATICA 34: (7) 825-840 JUL 1998 Lin ZL Global control of linear systems with saturating actuators AUTOMATICA 34: (7) 897-905 JUL 1998 Bacciotti A, Rosier L Liapunov and Lagrange stability: Inverse theorems for discontinuous systems MATH CONTROL SIGNAL 11: (2) 101-128 1998 Amicucci GL, Monaco S On nonlinear detectability J FRANKLIN I 335B: (6) 1105-1123 AUG 1998 Teel AR Connections between Razumikhin-type theorems and the ISS nonlinear small gain theorem IEEE T AUTOMAT CONTR 43: (7) 960-964 JUL 1998 Hammer J Handling disturbances in nonlinear control: the use of state feedback INT J CONTROL 70: (5) 761-787 JUL 20 1998 Sontag ED Comments on integral variants of ISS SYST CONTROL LETT 34: (1-2) 93-100 MAY 25 1998 Leith DJ, Leithead WE Gain-scheduled and nonlinear systems: dynamic analysis by velocity-based linearization families INT J CONTROL 70: (2) 289-317 MAY 20 1998 Nguang SK, Fu MY Global quadratic stabilization of a class of nonlinear systems INT J ROBUST NONLIN 8: (6) 483-497 MAY 1998 Poznyak AS, Yu W, Sanchez EN, et al. Stability analysis of dynamic neural control EXPERT SYST APPL 14: (1-2) 227-236 JAN-FEB 1998 Zhang BY, Morton B Robustness analysis of dynamic inversion control laws applied to nonlinear aircraft pitch-axis models NONLINEAR ANAL-THEOR 32: (4) 501-532 MAY 1998 Ryan EP An integral invariance principle for differential inclusions with applications in adaptive control SIAM J CONTROL OPTIM 36: (3) 960-980 MAY 1998 Krstic M, Li ZH Inverse optimal design of input-to-state stabilizing nonlinear controllers IEEE T AUTOMAT CONTR 43: (3) 336-350 MAR 1998 Bacciotti A External stabilizability of nonlinear systems with some applications INT J ROBUST NONLIN 8: (1) 1-10 JAN 1998 Panteley E, Loria A On global uniform asymptotic stability of nonlinear time-varying systems in cascade SYST CONTROL LETT 33: (2) 131-138 FEB 20 1998 Han ZZ, Chen GR Dynamic right coprime factorization for nonlinear systems NONLINEAR ANAL-THEOR 30: (5) 3113-3120 DEC 1997 Panteley E, Ortega R Cascaded control of feedback interconnected nonlinear systems: Application to robots with AC drives AUTOMATICA 33: (11) 1935-1947 NOV 1997 Pavel L, Fairman FW Nonlinear H-infinity control: A J-dissipative approach IEEE T AUTOMAT CONTR 42: (12) 1636-1653 DEC 1997 Oh S, Khalil HK Nonlinear output-feedback tracking using high-gain observer and variable structure control AUTOMATICA 33: (10) 1845-1856 OCT 1997 Xie LH, Su WZ Robust H-infinity control for a class of cascaded nonlinear systems IEEE T AUTOMAT CONTR 42: (10) 1465-1469 OCT 1997 Georgiou TT, Smith MC Robustness analysis of nonlinear feedback systems: An input-output approach IEEE T AUTOMAT CONTR 42: (9) 1200-1221 SEP 1997 Christofides PD, Daoutidis P Robust control of multivariable two-time-scale nonlinear systems J PROCESS CONTR 7: (5) 313-328 OCT 1997 Hammer J On the control of sequential machines with disturbances INT J CONTROL 67: (3) 307-331 JUN 1997 Sepulchre R, Jankovic M, Kokotovic PV Integrator forwarding: A new recursive nonlinear robust design AUTOMATICA 33: (5) 979-984 MAY 1997 Mahmoud NA, Khalil HK Robust control for a nonlinear servomechanism problem INT J CONTROL 66: (6) 779-802 APR 1997 Su WZ, Xie LH, Gong ZM Robust input to state stabilization for minimum-phase nonlinear systems INT J CONTROL 66: (6) 825-842 APR 1997 Florchinger P Global stabilization of composite stochastic systems COMPUT MATH APPL 33: (6) 127-135 MAR 1997 Sontag ED, Wang Y Output-to-state stability and detectability of nonlinear systems SYST CONTROL LETT 29: (5) 279-290 FEB 1997 Baramov L, Kimura H Nonlinear coprime factorizations and parametrization of a class of stabilizing controllers INT J CONTROL 66: (3) 413-434 FEB 1997 Jiang ZP, Mareels IMY A small-gain control method for nonlinear cascaded systems with dynamic uncertainties IEEE T AUTOMAT CONTR 42: (3) 292-308 MAR 1997 Andriano V, Bacciotti A, Beccari G Global stability and external stability of dynamical systems NONLINEAR ANAL-THEOR 28: (7) 1167-1185 APR 1997 Christofides PD, Teel AR, Daoutidis P Robust semi-global output tracking for nonlinear singularly perturbed systems INT J CONTROL 65: (4) 639-666 NOV 10 1996 Outbib R, Jghima H Comments on the stabilization of nonlinear systems by adding an integrator IEEE T AUTOMAT CONTR 41: (12) 1804-1807 DEC 1996 Christofides PD, Teel AR Singular perturbations and input-to-state stability IEEE T AUTOMAT CONTR 41: (11) 1645-1650 NOV 1996 Choi J, Manousiouthakis V On the parametrization of nonlinear finite gain over set stabilizing controllers SYST CONTROL LETT 28: (3) 173-179 JUL 22 1996 Mahmoud NA, Khalil HK Asymptotic regulation of minimum phase nonlinear systems using output feedback IEEE T AUTOMAT CONTR 41: (10) 1402-1412 OCT 1996 Teel AR A nonlinear small gain theorem for the analysis of control systems with saturation IEEE T AUTOMAT CONTR 41: (9) 1256-1270 SEP 1996 Sontag ED, Wang Y New characterizations of input-to-state stability IEEE T AUTOMAT CONTR 41: (9) 1283-1294 SEP 1996 Praly L, Wang Y Stabilization in spite of matched unmodeled dynamics and an equivalent definition of input-to-state stability MATH CONTROL SIGNAL 9: (1) 1-33 1996 Jiang ZP, Mareels IMY, Wang Y A Lyapunov formulation of the nonlinear small-gain theorem for interconnected ISS systems AUTOMATICA 32: (8) 1211-1215 AUG 1996 Isidori A Global almost disturbance decoupling with stability for non minimum-phase single-input single-output nonlinear systems SYST CONTROL LETT 28: (2) 115-122 JUN 24 1996 Liu WS, Chitour Y, Sontag E On finite-gain stabilizability of linear systems subject to input saturation SIAM J CONTROL OPTIM 34: (4) 1190-1219 JUL 1996 Freeman RA, Kokotovic PV Inverse optimality in robust stabilization SIAM J CONTROL OPTIM 34: (4) 1365-1391 JUL 1996 Kanellakopoulos I Advances in adaptive nonlinear control LECT NOTES CONTR INF 208: 68-107 1996 Shishkin S, Ortega R, Hill D, et al. On output feedback stabilization of Euler-Lagrange systems with nondissipative forces SYST CONTROL LETT 27: (5) 315-324 MAY 13 1996 Bourles H Local l(p)-stability and local small gain theorem for discrete-time systems IEEE T AUTOMAT CONTR 41: (6) 903-907 JUN 1996 Krstic M, Sun J, Kokotovic PV Robust control of nonlinear systems with input unmodeled dynamics IEEE T AUTOMAT CONTR 41: (6) 913-920 JUN 1996 Paice ADB, vanderSchaft AJ The class of stabilizing nonlinear plant controller pairs IEEE T AUTOMAT CONTR 41: (5) 634-645 MAY 1996 Teel AR On graphs, conic relations, and input-output stability of nonlinear feedback systems IEEE T AUTOMAT CONTR 41: (5) 702-709 MAY 1996 Fromion V, Monaco S, NormandCyrot D Asymptotic properties of incrementally stable systems IEEE T AUTOMAT CONTR 41: (5) 721-723 MAY 1996 Banos A Stabilization of nonlinear systems based on a generalized Bezout identity AUTOMATICA 32: (4) 591-595 APR 1996 Krstic M, Kokotovic PV Modular approach to adaptive nonlinear stabilization AUTOMATICA 32: (4) 625-629 APR 1996 Lin YD, Sontag ED, Wang Y A smooth converse Lyapunov theorem for robust stability SIAM J CONTROL OPTIM 34: (1) 124-160 JAN 1996 Krstic M, Kokotovic PV Adaptive nonlinear output-feedback schemes with Marino-Tomei controller IEEE T AUTOMAT CONTR 41: (2) 274-280 FEB 1996 FREEMAN R GLOBAL INTERNAL STABILIZABILITY DOES NOT IMPLY GLOBAL EXTERNAL STABILIZABILITY FOR SMALL SENSOR DISTURBANCES IEEE T AUTOMAT CONTR 40: (12) 2119-2122 DEC 1995 RYAN EP UNIVERSAL STABILIZATION OF A CLASS OF NONLINEAR-SYSTEMS WITH HOMOGENEOUS VECTOR-FIELDS SYST CONTROL LETT 26: (3) 177-184 OCT 20 1995 TEEL A, PRALY L TOOLS FOR SEMIGLOBAL STABILIZATION BY PARTIAL STATE AND OUTPUT-FEEDBACK SIAM J CONTROL OPTIM 33: (5) 1443-1488 SEP 1995 LU WM A STATE-SPACE APPROACH TO PARAMETERIZATION OF STABILIZING CONTROLLERS FOR NONLINEAR-SYSTEMS IEEE T AUTOMAT CONTR 40: (9) 1576-1588 SEP 1995 SONTAG E, TEEL A CHANGING SUPPLY FUNCTIONS IN INPUT/STATE STABLE SYSTEMS IEEE T AUTOMAT CONTR 40: (8) 1476-1478 AUG 1995 LIN ZL, SABERI A ROBUST SEMIGLOBAL STABILIZATION OF MINIMUM-PHASE INPUT-OUTPUT LINEARIZABLE SYSTEMS VIA PARTIAL STATE AND OUTPUT-FEEDBACK IEEE T AUTOMAT CONTR 40: (6) 1029-1041 JUN 1995 BOURLES H, COLLEDANI F W-STABILITY AND LOCAL INPUT-OUTPUT STABILITY RESULTS IEEE T AUTOMAT CONTR 40: (6) 1102-1108 JUN 1995 LIN YD, SONTAG ED, WANG Y INPUT TO STATE STABILIZABILITY FOR PARAMETRIZED FAMILIES OF SYSTEMS INT J ROBUST NONLIN 5: (3) 187-205 MAY 1995 SONTAG ED, WANG Y ON CHARACTERIZATIONS OF THE INPUT-TO-STATE STABILITY PROPERTY SYST CONTROL LETT 24: (5) 351-359 APR 10 1995 LU WM A CLASS OF GLOBALLY STABILIZING CONTROLLERS FOR NONLINEAR-SYSTEMS SYST CONTROL LETT 25: (1) 13-19 MAY 8 1995 KRSTIC M, KOKOTOVIC PV ADAPTIVE NONLINEAR DESIGN WITH CONTROLLER-IDENTIFIER SEPARATION AND SWAPPING IEEE T AUTOMAT CONTR 40: (3) 426-440 MAR 1995 JIANG ZP, TEEL AR, PRALY L SMALL-GAIN THEOREM FOR ISS SYSTEMS AND APPLICATIONS MATH CONTROL SIGNAL 7: (2) 95-120 1994 SUSSMANN HJ, SONTAG ED, YANG YD A GENERAL RESULT ON THE STABILIZATION OF LINEAR-SYSTEMS USING BOUNDED CONTROLS IEEE T AUTOMAT CONTR 39: (12) 2411-2425 DEC 1994 LIN Z, SABERI A SEMIGLOBAL STABILIZATION OF PARTIALLY LINEAR COMPOSITE SYSTEMS VIA LINEAR DYNAMIC STATE-FEEDBACK CONTR-THEOR ADV TECH 10: (3) 447-463 SEP 1994 SCHERPEN JMA, VANDERSCHAFT AJ NORMALIZED COPRIME FACTORIZATIONS AND BALANCING FOR UNSTABLE NONLINEAR-SYSTEMS INT J CONTROL 60: (6) 1193-1222 DEC 1994 KAZAKOS D, TSINIAS J THE INPUT TO STATE STABILITY CONDITION AND GLOBAL STABILIZATION OF DISCRETE-TIME-SYSTEMS IEEE T AUTOMAT CONTR 39: (10) 2111-2113 OCT 1994 HAMMER J INTERNALLY STABLE NONLINEAR-SYSTEMS WITH DISTURBANCES - A PARAMETERIZATION IEEE T AUTOMAT CONTR 39: (2) 300-314 FEB 1994 BALL JA, VERMA M FACTORIZATION AND FEEDBACK STABILIZATION FOR NONLINEAR-SYSTEMS SYST CONTROL LETT 23: (3) 187-196 SEP 1994 DIBENEDETTO MD, GRIZZLE JW ASYMPTOTIC MODEL-MATCHING FOR NONLINEAR-SYSTEMS IEEE T AUTOMAT CONTR 39: (8) 1539-1550 AUG 1994 KRSTIC M, KOKOTOVIC PV OBSERVER-BASED SCHEMES FOR ADAPTIVE NONLINEAR STATE-FEEDBACK CONTROL INT J CONTROL 59: (6) 1373-1381 JUN 1994 JIANG ZP, PRALY L TECHNICAL RESULTS FOR THE STUDY OF ROBUSTNESS OF LAGRANGE STABILITY SYST CONTROL LETT 23: (1) 67-78 JUL 1994 IMURA J, SUGIE T, YOSHIKAWA T GLOBAL ROBUST STABILIZATION OF NONLINEAR CASCADED SYSTEMS IEEE T AUTOMAT CONTR 39: (5) 1084-1089 MAY 1994