%0 Journal Article %A V. I. Burenkov %A B. L. Fain %T Extension of functions from anisotropic spaces with preservation of class %J Informatics and Automation %D 1979 %P 52-66 %V 150 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1979_150_a4/ %G ru %F TRSPY_1979_150_a4