Whitney, Hassler On singularities of mappings of Euclidean spaces. I. Mappings of the plane into the plane. (English) Zbl 0068.37101 Ann. Math. (2) 62, 374-410 (1955). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 6 ReviewsCited in 163 Documents Keywords:Topology PDFBibTeX XMLCite \textit{H. Whitney}, Ann. Math. (2) 62, 374--410 (1955; Zbl 0068.37101) Full Text: DOI