%0 Journal Article
%A V. M. Isakov
%T Strictly hyperbolic diffraction problems
%J Differencialʹnye uravneniâ
%D 1978
%P 30-38
%V 14
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1978_14_1_a3/
%G ru
%F DE_1978_14_1_a3