%0 Journal Article
%A P. I. Plotnikov
%A L. N. Yungerman
%T Periodic solutions of a weakly nonlinear wave equation with an irrational relation of period to interval length
%J Differencialʹnye uravneniâ
%D 1988
%P 1599-1607
%V 24
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1988_24_9_a14/
%G ru
%F DE_1988_24_9_a14