%0 Journal Article
%A V. N. Pyvovarchyk
%T A spectral problem that is connected with an equation of viscous sound
%J Differencialʹnye uravneniâ
%D 1990
%P 1536-1541
%V 26
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1990_26_9_a7/
%G ru
%F DE_1990_26_9_a7