%0 Journal Article %A V. F. Gaposhkin %T On asymptotically best lacunary systems %J Izvestiya. Mathematics %D 1967 %P 967-982 %V 1 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1967_1_5_a3/ %G en %F IM2_1967_1_5_a3