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@article{DAN_1961_138_1_a18, author = {K. M. Fishman and Yu. I. Makovoz}, title = {Completeness of near systems in a countably normed space}, journal = {Doklady Akademii Nauk}, pages = {70--72}, publisher = {mathdoc}, volume = {138}, number = {1}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_138_1_a18/} }
K. M. Fishman; Yu. I. Makovoz. Completeness of near systems in a countably normed space. Doklady Akademii Nauk, Tome 138 (1961) no. 1, pp. 70-72. http://geodesic.mathdoc.fr/item/DAN_1961_138_1_a18/