%0 Journal Article %A Sh. A. Alimov %T On a problem with an oblique derivative %J Differencialʹnye uravneniâ %D 1981 %P 1738-1751 %V 17 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_10_a1/ %G ru %F DE_1981_17_10_a1