%0 Journal Article
%A V. A. Il'in
%T A theorem on the uniqueness and membership in the class $W_2^1$ of the classical solution of a mixed problem for a nonselfadjoint hyperbolic equation in an arbitrary cylinder
%J Differencialʹnye uravneniâ
%D 1975
%P 60-65
%V 11
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1975_11_1_a7/
%G ru
%F DE_1975_11_1_a7