Bogatyi, S. A. On the preservation of shapes under mappings. (English. Russian original) Zbl 0356.54037 Sov. Math., Dokl. 16(1975), 1164-1168 (1976); translation from Dokl. Akad. Nauk SSSR 224, 261-264 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 54C55 Absolute neighborhood extensor, absolute extensor, absolute neighborhood retract (ANR), absolute retract spaces (general properties) 55P99 Homotopy theory PDFBibTeX XMLCite \textit{S. A. Bogatyi}, Sov. Math., Dokl. 16, 1164--1168 (1975; Zbl 0356.54037); translation from Dokl. Akad. Nauk SSSR 224, 261--264 (1975)