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@article{DAN_1961_136_1_a10, author = {A. S. Schwarz}, title = {Homotopic duality for spaces with a group of operators}, journal = {Doklady Akademii Nauk}, pages = {43--46}, publisher = {mathdoc}, volume = {136}, number = {1}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_136_1_a10/} }
A. S. Schwarz. Homotopic duality for spaces with a group of operators. Doklady Akademii Nauk, Tome 136 (1961) no. 1, pp. 43-46. http://geodesic.mathdoc.fr/item/DAN_1961_136_1_a10/