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@article{DAN_1957_114_3_a11, author = {S. S. Ryshkov}, title = {On the combinatorial topology of {Hilbert} space}, journal = {Doklady Akademii Nauk}, pages = {494--497}, publisher = {mathdoc}, volume = {114}, number = {3}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_114_3_a11/} }
S. S. Ryshkov. On the combinatorial topology of Hilbert space. Doklady Akademii Nauk, Tome 114 (1957) no. 3, pp. 494-497. http://geodesic.mathdoc.fr/item/DAN_1957_114_3_a11/