Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1976_20_5_a6, author = {I. V. Shragin}, title = {Conditions for the embedding of classes of sequences and their consequences}, journal = {Matemati\v{c}eskie zametki}, pages = {681--692}, publisher = {mathdoc}, volume = {20}, number = {5}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1976_20_5_a6/} }
I. V. Shragin. Conditions for the embedding of classes of sequences and their consequences. Matematičeskie zametki, Tome 20 (1976) no. 5, pp. 681-692. http://geodesic.mathdoc.fr/item/MZM_1976_20_5_a6/