Weingram, S. On the incompressibility of certain maps. (English) Zbl 0214.49904 Ann. Math. (2) 93, 476-485 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 5 Documents MSC: 55S36 Extension and compression of mappings in algebraic topology 55N99 Homology and cohomology theories in algebraic topology PDF BibTeX XML Cite \textit{S. Weingram}, Ann. Math. (2) 93, 476--485 (1971; Zbl 0214.49904) Full Text: DOI OpenURL