%0 Journal Article
%A Yu. B. Suris
%T Symbolic dynamics for a nonlinear nonautonomous oscillator
%J Differencialʹnye uravneniâ
%D 1987
%P 535-538
%V 23
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1987_23_3_a29/
%G ru
%F DE_1987_23_3_a29