%0 Journal Article %A N. V. Desyatskova %T Approximation of weighted classes %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1981 %P 243-244 %V 36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1981_36_3_a7/ %G en %F RM_1981_36_3_a7