%0 Journal Article %A O. V. Besov %A L. D. Kudryavtsev %A P. I. Lizorkin %A S. M. Nikol'skii %T Investigations in the theory of spaces of differentiable functions of several variables %J Informatics and Automation %D 1988 %P 68-127 %V 182 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1988_182_a5/ %G ru %F TRSPY_1988_182_a5