Nagumo, Mitio Degree of mapping in convex linear topological spaces. (English) Zbl 0043.17801 Am. J. Math. 73, 497-511 (1951). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 55 Documents Keywords:Topology PDF BibTeX XML Cite \textit{M. Nagumo}, Am. J. Math. 73, 497--511 (1951; Zbl 0043.17801) Full Text: DOI