%0 Journal Article %A V. I. Burenkov %T Imbedding and extension theorems for classes of differentiable functions of several variables defined on the entire spaces %J Itogi nauki i tehniki. Seriâ, Matematičeskij analiz %D 1966 %P 71-155 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTM_1966_a1/ %G ru %F INTM_1966_a1