%0 Journal Article %A Blagovest Sendov %T Linear methods of approximating periodic functions relative to a metric of Hausdorff type %J Doklady Akademii Nauk %D 1965 %P 1023-1025 %V 160 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_160_5_a12/ %G ru %F DAN_1965_160_5_a12