MATEMATIČKI VESNIK
МАТЕМАТИЧКИ ВЕСНИК



MATEMATIČKI VESNIK
A necessary condition for the existence of periodical solutions of a differential system
Julka Knežević Miljanović

Abstract

The problem of necessary conditions for the existence of periodical solutions of the system $X'=\f(t)P(X)+Q(t)$ is considered, where $\f(t)$, $Q_i(t)$ ($i=1,\dots,n$) are continuous functions belonging to certain classes.

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Keywords: Periodical solution, differential system.

MSC: 34C25

Pages:  15--17     

Volume  57 ,  Issue  1$-$2 ,  2005