%0 Journal Article
%A O. A. Oleǐnik
%A E. V. Radkevič
%T Conditions for the existence of nonanalytic solutions of linear partial differential equations of arbitrary order
%J Trudy Moskovskogo matematičeskogo obŝestva
%D 1974
%P 17-33
%V 31
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MMO_1974_31_a1/
%G ru
%F MMO_1974_31_a1