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@article{DAN_1958_119_2_a5, author = {A. S. Schwarz}, title = {The genus of fiber space}, journal = {Doklady Akademii Nauk}, pages = {219--222}, publisher = {mathdoc}, volume = {119}, number = {2}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_119_2_a5/} }
A. S. Schwarz. The genus of fiber space. Doklady Akademii Nauk, Tome 119 (1958) no. 2, pp. 219-222. http://geodesic.mathdoc.fr/item/DAN_1958_119_2_a5/