Brown, Arthur B. Critical curvatures in Riemannian spaces. (English) Zbl 0017.28002 Duke Math. J. 3, 473-483 (1937). PDF BibTeX XML Cite \textit{A. B. Brown}, Duke Math. J. 3, 473--483 (1937; Zbl 0017.28002) Full Text: DOI
Brown, A. B. Critical curvatures in Riemannian spaces. (English) JFM 63.0700.02 Duke math. J. 3, 473-483 (1937). Reviewer: Golab, St., Dr. (Krakau) PDF BibTeX XML Cite \textit{A. B. Brown}, Duke Math. J. 3, 473--483 (1937; JFM 63.0700.02) Full Text: DOI