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Multivalued functions and functionals. An analogue of the Morse theory. (English. Russian original) Zbl 0505.58011

Sov. Math., Dokl. 24, 222-226 (1981); translation from Dokl. Akad. Nauk SSSR 260, 31-35 (1981).

MSC:

58E05 Abstract critical point theory (Morse theory, Lyusternik-Shnirel’man theory, etc.) in infinite-dimensional spaces
53C20 Global Riemannian geometry, including pinching
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