Èl’sgol’c, L. È. Qualitative methods in mathematical analysis. Transl. from the Russian by A. A. Brown and J. M. Danskin. Reprint. (English) Zbl 0476.49001 Translations of Mathematical Monographs, 12. Providence, R.I.: American Mathematical Society (AMS). 250 p. $ 27.60 (1980). The Russian original (1955) has been reviewed in Zbl 0067.33302. The first English edition was published in 1964 (see Zbl 0133.37102). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 9 Documents MSC: 49-02 Research exposition (monographs, survey articles) pertaining to calculus of variations and optimal control 58E05 Abstract critical point theory (Morse theory, Lyusternik-Shnirel’man theory, etc.) in infinite-dimensional spaces 34K05 General theory of functional-differential equations PDF BibTeX XML