%0 Journal Article
%A Ya. B. Zel'dovich
%A B. A. Malomed
%T Topological invariants and strings in self-oscillatory system
%J Doklady Akademii Nauk
%D 1980
%P 92-94
%V 254
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_254_1_a21/
%G ru
%F DAN_1980_254_1_a21