%0 Journal Article
%A I. A. Kuzin
%T Existence of a countable set of periodic, spherically symmetric solutions of a~nonlinear wave equation
%J Izvestiya. Mathematics 
%D 1992
%P 107-129
%V 38
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1992_38_1_a4/
%G en
%F IM2_1992_38_1_a4