%0 Journal Article %A S. V. Dzliev %A A. V. Savkin %A B. M. Solomyak %A E. D. Yakubovich %T Periodic regimes in a~system of differential inclusions that describes a~special class of electrical valve schemes %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1987 %P 36-41 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1987_9_a4/ %G ru %F IVM_1987_9_a4