%0 Journal Article %A N. A. Shananin %T On~the existence of non-smooth solutions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1983 %P 219-220 %V 38 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1983_38_1_a28/ %G en %F RM_1983_38_1_a28