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@article{DAN_1965_163_4_a8, author = {L. V. Ovsyannikov}, title = {Singular operator in the scale of {Banach} spaces}, journal = {Doklady Akademii Nauk}, pages = {819--822}, publisher = {mathdoc}, volume = {163}, number = {4}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_163_4_a8/} }
L. V. Ovsyannikov. Singular operator in the scale of Banach spaces. Doklady Akademii Nauk, Tome 163 (1965) no. 4, pp. 819-822. http://geodesic.mathdoc.fr/item/DAN_1965_163_4_a8/