%0 Journal Article
%A Yu. V. Egorov
%T The conditions of solvability of pseudodifferential equations
%J Doklady Akademii Nauk
%D 1969
%P 1232-1234
%V 187
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_187_6_a5/
%G ru
%F DAN_1969_187_6_a5