Analysis and control of nonlinear oscillatory systems. Leonov G.A., Fradkov A.L. (Eds). St.Petersburg: Nauka, 1998. (In Russian).

Fradkov A.L., Pogromsky A.Yu. Introduction to control of oscillations and chaos. World Scientific Publishers, Singapore, 1998.

Guzenko P.Yu. Discrete-time control of continuous-time chaotic systems. In: Analysis and control of nonlinear oscillatory systems. Leonov G.A., Fradkov A.L. (Eds). St.Petersburg: Nauka, 1998, pp. 53-84. (In Russian).

Guzenko P.Yu., Kukushkin S.A., Osipov A.V., Fradkov A.L. Control of auto-oscillatory modes of thin films growth. In: Analysis and control of nonlinear oscillatory systems. Leonov G.A., Fradkov A.L. (Eds). St.Petersburg: Nauka, 1998, pp. 177-191. (In Russian).

Fradkov A.L., Hill D.J. Exponential feedback passivity and stabilizability of nonlinear systems, Automatica, 1998, No 6. pp.697-703.

Makarov I.A., Fradkov A.L. Algorithms of control of oscillations for Hamiltonian systems. Doklady RAN, v.362, No.3, 1998 (Translated in Physics-Doklady).

Polushin I.G., Fradkov A.L. Quasidissipativity and L-dissipativity of nonlinear systems. Doklady RAN, v.362, No.3, 1998 (Translated in Physics-Doklady).

Polushin I.G., Fradkov A.L., Hill D.J. Control system analysis and design based on passivity and dissipativity. In: Analysis and control of nonlinear oscillatory systems. Leonov G.A., Fradkov A.L. (Eds). St.Petersburg: Nauka, 1998, pp. 100-135. (In Russian).

Pogromsky A.Yu. Passivity based design of synchronizing systems, International Journal Bifurcation and Chaos, Vol. 8, No 2, 1998, pp. 295-319.

Pogromsky A.Yu., Nijmeijer H. Observer-based robust synchronization of dynamical systems, International Journal of Bifurcation and Chaos, Vol. 8, No. 11 (1998) 2243-2254

Shiriaev A.S., Fradkov A.L. Stabilization of invariant sets of nonlinear systems. In: Nonlinear dynamical systems. St.Petersburg. St.Petersburg State University. 1998. (in Russian).

Shiriaev A.S. Quadratic criterion of nonlinear system stability (case of the constraints in frequency domain). In: Analysis and control of nonlinear oscillatory systems. Leonov G.A., Fradkov A.L. (Eds). St.Petersburg: Nauka, 1998, pp.167-175. (In Russian).

Skafidas E., Fradkov A., Evans R.J., Mareels I.M.Y. Trajectory-approximation-based adaptive control for nonlinear systems under matching conditions. Automatica, 1998, No 3, pp.287-299.

Andrievskii B.R., Koniukhov A.P., Konoplev V.A., Fradkov A.L. Control, state estimation and laboratory experiments with oscillatory mechanical system. 4th IFAC Symposium "Nonlinear Control Systems" (NOLCOS'98), pp.761-764.

Fradkov A.L. Lyapunov methods of adaptive control of nonlinear systems. Proc. Int. Congress on Nonlinear Sciences, Moscow, 1998.

Fradkov A.L., Guzenko P.Yu., Pavlov A.V. Adaptive control of chaotic systems based on Poincare map and controlled closing lemma. 4th IFAC Symposium "Nonlinear Control Systems" (NOLCOS'98), pp.739-744.

Polushin I.G., Hill D.J., Fradkov A.L. Strict quasipassivity and ultimate boundedness for nonlinear control systems. Proc. Nonlinear Control Systems Design Symposium NOLCOS'98. Enschede, The Netherlands. 1998. Vol.2. P.527-532.

Polushin I.G. Further properties of nonlinear quasipassive systems. Proc. Conf. Decisions and Control (CDC'98), 1998, P.4144-4149.

Shiriaev A.S., Fradkov A.L. Stabilization of invariant manifolds for nonaffine nonlinear systems. 4th IFAC Symposium "Nonlinear Control Systems" (NOLCOS'98), pp.215-220.

Polushin I.G., Hill D.J., Fradkov A.L. Strict quasipassivity and ultimate boundedness for nonlinear control systems. 4th IFAC Symposium "Nonlinear Control Systems" (NOLCOS'98), pp.527-532.

Pogromsky A.Yu. Passivity based design of synchronizing systems. International Journal Bifurcation and Chaos, Vol. 8, No 2, 1998, pp. 295-319.

Pogromsky A.Yu., Nikiforov V.O. Smooth adaptive compensator of external disturbances for nonlinear systems. Nonlinear Control Systems Design, NOLCOS'98, Twente, The Netherlands, July, 1998.

Pogromsky A.Yu., Jirstrand M., Spangeus P. On passivity of hybrid systems. CDC'98

Pogromsky A.Yu. Controlled synchronization of dynamical systems based on passivity technique. IFAC World Congress, Beijing, 1999.

Pogromsky A. Yu., Glad T., Nijmeijer H. On oscillations in coupled dynamical systems IFAC World Congress, Beijing, 1999.

Makarov I.A., Fradkov A.L. Algorithms of Control of Oscillations in Hamiltonian Systems. Doklady Akademii Nauk, 362(3), pp.312-314, 1998. (in Russian).

Shiriaev A.S., Fradkov A.L. Stabilization of invariant manifolds for nonlinear nonaffine systems Proceedings of the 4th IFAC Conference NOLCOS'98, Enschede, Vol.1, pp. 215-220.

Shiriaev A.S. Control of oscillations in affine nonlinear systems Proceedings of the IFAC Conference on System Structure and Control, 1998, Nantes, France, Vol. 3, pp.789-794.

Shiriaev A.S. New tests of zero-state detectability Proceedings of the 4th IFAC Conference NOLCOS'98, Enschede, Vol.2, pp. 533-538

Fradkov A.L. Exploring nonlinearity by feedback. Memorandum 1447, Faculty of Mathematical Sciences, University of Twente, The Netherlands, June, 1998.

Pogromsky A.Yu., Nijmeijer H. ``Observer based robust synchronization of dynamical systems'', Report LiTH-ISY-R-1998 ISSN 1400-3902

Pogromsky A.Yu., Nijmeijer H. ``Cooperative oscillatory behavior of mutually coupled dynamical systems'', Technical report 98.044 Eindhoven Technical University, Faculty of Mechanical Engineering, submitted to IEEE Transactions Circ. Sys. I.

Fradkov A.L., Miroshnik I.V., Nikiforov V.O. Nonlinear and adaptive control of complex systems. Kluwer, 1999.

Huibertus H., Nijmeijer H., Pogromsky A. Discrete-time observers and synchronization. In: Control of Bifurcations and Chaos in Engineering Systems (edited by G. Chen), CRC Press, 1999.

Fradkov A.L., Nijmeijer H., Pogromsky A.Yu. Adaptive observer-based synchronization. In: Control of Bifurcations and Chaos in Engineering Systems (edited by G. Chen), CRC Press, 1999.

Fradkov A.L. Exploring nonlinearity by feedback. Physica D, 1999.

Pogromsky A.Yu., Nijmeijer H. Observer based robust synchronization of dynamical systems. Proceedings of MTNS'98.

Pogromsky A.Yu., Nijmeijer H. ``Observer based robust synchronization of dynamical systems'', International Journal Bifurcation and Chaos.

Pogromsky A.Yu., Glad T., Nijmeijer H. ``On diffusion driven oscillations in coupled dynamical systems''. International Journal Bifurcation and Chaos.

Pogromsky A.Yu, Nijmeijer H. ``Observer based robust synchronization of dynamical systems''. International Journal Bifurcation and Chaos.