%0 Journal Article
%A V. I. Chesalin
%T A problem with nonlocal boundary conditions for certain abstract hyperbolic equations
%J Differencialʹnye uravneniâ
%D 1979
%P 2104-2106
%V 15
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1979_15_11_a24/
%G ru
%F DE_1979_15_11_a24