%0 Journal Article %A G. A. Kalyabin %T Pointwise multipliers in certain Sobolev spaces containing unbounded functions %J Informatics and Automation %D 1993 %P 160-165 %V 204 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1993_204_a7/ %G ru %F TRSPY_1993_204_a7