%0 Journal Article %A V. G. Maz'ya %A B. A. Plamenevskii %T Problems with oblique derivatives in regions with piecewise smooth boundaries %J Funkcionalʹnyj analiz i ego priloženiâ %D 1971 %P 102-103 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1971_5_3_a17/ %G ru %F FAA_1971_5_3_a17