%0 Journal Article
%A A. O. Oganesyan
%T The Huygens principle for a class of hyperbolic equations with variable coefficients
%J Differencialʹnye uravneniâ
%D 1991
%P 1402-1409
%V 27
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1991_27_8_a14/
%G ru
%F DE_1991_27_8_a14