%0 Journal Article %A N. I. Imranov %T On equivalent norms in weighted spaces %J Informatics and Automation %D 1987 %P 124-125 %V 180 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a69/ %G ru %F TRSPY_1987_180_a69