%0 Journal Article
%A Yu. V. Egorov
%T On the solubility of differential equations with simple characteristics
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1971
%P 113-130
%V 26
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1971_26_2_a6/
%G en
%F RM_1971_26_2_a6