%0 Journal Article
%A V. M. Govorov
%A È. K. Safiev
%T Uniqueness of the classical solution of a mixed problem for a hyperbolic equation with unbounded lower coefficients
%J Differencialʹnye uravneniâ
%D 1990
%P 154-157
%V 26
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1990_26_1_a18/
%G ru
%F DE_1990_26_1_a18