Efimov, N. V. Differential criteria for homeomorphism of certain mappings with applications to the theory of surfaces. (English) Zbl 0182.54702 Math. USSR, Sb. 5(1968), 475-488 (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents Keywords:differential geometry PDFBibTeX XMLCite \textit{N. V. Efimov}, Math. USSR, Sb. 5, 475--488 (1969; Zbl 0182.54702) Full Text: DOI