%0 Journal Article
%A O. A. Oleinik
%A E. V. Radkevich
%T A certain class of linear differential equations that have nonanalytic solutions
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1973
%V 28
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1973_28_3_a19/
%G ru
%F RM_1973_28_3_a19