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@article{DAN_1973_213_3_a8, author = {V. I. Malykhin and B. \`E. Shapirovskii}, title = {Martin's axiom and properties of topological {spaces.~I}}, journal = {Doklady Akademii Nauk}, pages = {532--535}, publisher = {mathdoc}, volume = {213}, number = {3}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_213_3_a8/} }
V. I. Malykhin; B. È. Shapirovskii. Martin's axiom and properties of topological spaces.~I. Doklady Akademii Nauk, Tome 213 (1973) no. 3, pp. 532-535. http://geodesic.mathdoc.fr/item/DAN_1973_213_3_a8/