Some homotopy properites of the space of imbeddings of the circle into a sphere or a ball
Doklady Akademii Nauk, Tome 156 (1964) no. 5, pp. 999-1002
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@article{DAN_1964_156_5_a2,
author = {A. M. Vinogradov},
title = {Some homotopy properites of the space of imbeddings of the circle into a sphere or a ball},
journal = {Doklady Akademii Nauk},
pages = {999--1002},
year = {1964},
volume = {156},
number = {5},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1964_156_5_a2/}
}
A. M. Vinogradov. Some homotopy properites of the space of imbeddings of the circle into a sphere or a ball. Doklady Akademii Nauk, Tome 156 (1964) no. 5, pp. 999-1002. http://geodesic.mathdoc.fr/item/DAN_1964_156_5_a2/