%0 Journal Article %A Ya. Sh. Salimov %T Riesz means of biorthogonal expansions in eigen- and associated %J Doklady Akademii Nauk %D 1986 %P 291-295 %V 286 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_286_2_a7/ %G ru %F DAN_1986_286_2_a7