%0 Journal Article
%A I. A. Rudakov
%T A problem on free periodic vibrations of a~string with non-monotone non-linearity
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1985
%P 237-238
%V 40
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1985_40_1_a22/
%G en
%F RM_1985_40_1_a22