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@article{DAN_1968_183_1_a8, author = {Z. I. Koslova}, title = {Projective sets of topological spaces of weight~$\tau$}, journal = {Doklady Akademii Nauk}, pages = {37--40}, publisher = {mathdoc}, volume = {183}, number = {1}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_183_1_a8/} }
Z. I. Koslova. Projective sets of topological spaces of weight~$\tau$. Doklady Akademii Nauk, Tome 183 (1968) no. 1, pp. 37-40. http://geodesic.mathdoc.fr/item/DAN_1968_183_1_a8/