%0 Journal Article
%A P. E. Zhidkov
%T On the existence of a countable set of solutions in a problem of polaron theory
%J Sbornik. Mathematics
%D 1993
%P 247-255
%V 75
%N 1
%U http://geodesic.mathdoc.fr/item/SM_1993_75_1_a13/
%G en
%F SM_1993_75_1_a13