%0 Journal Article %A N. A. Shirokov %T On weighted approximations on closed sets with corners %J Doklady Akademii Nauk %D 1974 %P 295-297 %V 214 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_214_2_a14/ %G ru %F DAN_1974_214_2_a14