Encyclopedia of Math
Encyclopedia sourcePublicationDocument
"Bull. Amer. Math. Soc"
http://libmeta.ru/resource/mathenc/publication/p10032
Данные
| bibliographicCitation | Lashof R., Shaneson J., "Bull. Amer. Math. Soc", 1969, v. 75, p. 171-75; |8] Cappell S., в кн.: Topology of Manifolds, Chi., 1971, p. 358-83 |
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