TY - JOUR AU - I. V. Shragin TI - Conditions for the embedding of classes of sequences and their consequences JO - Matematičeskie zametki PY - 1976 SP - 681 EP - 692 VL - 20 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1976_20_5_a6/ LA - ru ID - MZM_1976_20_5_a6 ER -