%0 Journal Article %A O. V. Besov %T Extension by zero of functions of several variables %J Matematičeskie zametki %D 1998 %P 351-365 %V 64 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1998_64_3_a2/ %G ru %F MZM_1998_64_3_a2