%0 Journal Article %A O. A. Timoshin %T Sharp inequalities between norms of partial derivatives of second %J Doklady Akademii Nauk %D 1995 %P 20-22 %V 344 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1995_344_1_a4/ %G ru %F DAN_1995_344_1_a4