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JOURNALS // Uspekhi Matematicheskikh Nauk // Archive

Uspekhi Mat. Nauk, 1947 Volume 2, Issue 1(17), Pages 166–217 (Mi rm6924)

This article is cited in 13 papers


Series of lectures on topology
Topological methods in variational problems and their application to the differential geometry of surfaces

L. A. Lyusternik, L. G. Shnirel'man




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