%0 Journal Article
%A A. Ya. Khokhryakov
%T The degenerate periodic boundary value problem
%J Differencialʹnye uravneniâ
%D 1972
%P 607-614
%V 8
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_4_a4/
%G ru
%F DE_1972_8_4_a4