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@article{DAN_1968_178_3_a9, author = {S. Sirota}, title = {On $\kappa$-points of topological spaces}, journal = {Doklady Akademii Nauk}, pages = {542--545}, publisher = {mathdoc}, volume = {178}, number = {3}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_3_a9/} }
S. Sirota. On $\kappa$-points of topological spaces. Doklady Akademii Nauk, Tome 178 (1968) no. 3, pp. 542-545. http://geodesic.mathdoc.fr/item/DAN_1968_178_3_a9/