Zhang, Su-Cheng On normal forms of homotopy type and homotopy groups of certain polyhedra. (English. Chinese original) Zbl 0211.26304 Am. Math. Soc., Transl., II. Ser. 38, 195-234 (1964) and Chinese Math. 8 (1966), 686-725 (1967); translation from Acta Math. Sin. 8, 102-131 (1958). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 55Q99 Homotopy groups PDFBibTeX XML