Necas, J. An approximate method of finding critical points of even functionals. (English) Zbl 0374.47034 Proc. Steklov Inst. Math. 134(1975), 267-272 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 47H99 Nonlinear operators and their properties 57R70 Critical points and critical submanifolds in differential topology 58E15 Variational problems concerning extremal problems in several variables; Yang-Mills functionals 58C25 Differentiable maps on manifolds 58E05 Abstract critical point theory (Morse theory, Lyusternik-Shnirel’man theory, etc.) in infinite-dimensional spaces PDF BibTeX XML Cite \textit{J. Necas}, Proc. Steklov Inst. Math. 134, 267--272 (1977; Zbl 0374.47034)