Morse, Marston Uses of the Frechet numbers \(R_1(M_n)\) of a smooth manifold. (English) Zbl 0382.58011 Houston J. Math. 3, 503-513 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 58E15 Variational problems concerning extremal problems in several variables; Yang-Mills functionals PDFBibTeX XMLCite \textit{M. Morse}, Houston J. Math. 3, 503--513 (1977; Zbl 0382.58011)