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@article{DAN_1971_199_5_a3, author = {Van Ny Kyong}, title = {Pseudoisotopy of the three-dimensional sphere $S^3$}, journal = {Doklady Akademii Nauk}, pages = {1002--1003}, publisher = {mathdoc}, volume = {199}, number = {5}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_5_a3/} }
Van Ny Kyong. Pseudoisotopy of the three-dimensional sphere $S^3$. Doklady Akademii Nauk, Tome 199 (1971) no. 5, pp. 1002-1003. http://geodesic.mathdoc.fr/item/DAN_1971_199_5_a3/