%0 Journal Article
%A M. M. Simkin
%T Periodic modes in systems with nonlinear pulse elements
%J Doklady Akademii Nauk
%D 1960
%P 1323-1326
%V 131
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_131_6_a21/
%G ru
%F DAN_1960_131_6_a21