%0 Journal Article
%A A. Ya. Khokhryakov
%T An estimate of the eigenvalue that is smallest in absolute value for a certain periodic problem
%J Differencialʹnye uravneniâ
%D 1976
%P 1028-1039
%V 12
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_6_a9/
%G ru
%F DE_1976_12_6_a9