%0 Journal Article %A I. V. Shragin %T Conditions for the embedding of classes of sequences and their consequences %J Matematičeskie zametki %D 1976 %P 681-692 %V 20 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1976_20_5_a6/ %G ru %F MZM_1976_20_5_a6