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@article{MMO_1961_10_a4, author = {A. S. Schwarz}, title = {The genus of a fiber space}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {217--272}, publisher = {mathdoc}, volume = {10}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1961_10_a4/} }
A. S. Schwarz. The genus of a fiber space. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 10 (1961), pp. 217-272. http://geodesic.mathdoc.fr/item/MMO_1961_10_a4/