scientific article
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zbMath0655.58007MaRDI QIDQ3802283
Publication date: 1987
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) Variational principles in infinite-dimensional spaces (58E30) Differentiable maps on manifolds (58C25)
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