%0 Journal Article %A K. I. Bazyk %T Smoothness of solutions of a problem with an oblique derivative %J Differencialʹnye uravneniâ %D 1986 %P 3-11 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_1_a0/ %G ru %F DE_1986_22_1_a0