%0 Journal Article
%A Ya. B. Lopatinskii
%A I. I. Danilyuk
%A I. V. Skrypnik
%T The Donetsk conference on partial differential equations
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1980
%V 35
%N 1
%U http://geodesic.mathdoc.fr/item/RM_1980_35_1_a22/
%G ru
%F RM_1980_35_1_a22