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@article{DAN_1964_154_1_a13, author = {V. V. Proizvolov}, title = {Cardinal numbers of the basis of an $H$-closed space}, journal = {Doklady Akademii Nauk}, pages = {55--56}, publisher = {mathdoc}, volume = {154}, number = {1}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a13/} }
V. V. Proizvolov. Cardinal numbers of the basis of an $H$-closed space. Doklady Akademii Nauk, Tome 154 (1964) no. 1, pp. 55-56. http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a13/