%0 Journal Article %A A. D. Dzhabrailov %T Interpolation of spaces of differentiable functions defined in an $n$-dimensional region %J Doklady Akademii Nauk %D 1969 %P 259-262 %V 187 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_187_2_a6/ %G ru %F DAN_1969_187_2_a6