Differential Equations
and
Control Processes

Global stability of two-dimensional relay system with hysteresis.

S. M. Evdokimov

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The Existence of Stratification in the Neighbourhood of the Invariant Tore of one Particular Essentially Nonlinear System

A. A. Bogolubov

Yu. A. Iljin

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The Cyclicity Problem for Two-dimensional Polynomial Systems

V. G. Romanovski

A. S. Jarrah

R. Laubenbacher

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On the probjem of approximations of measures of dynamical systems

George S. Osipenko

Full text (pdf) | Abstract