@article{1200694559,
author = {Ikeda, Hiroshi},
title = {Non-contractible acyclic normal spines},
journal = {Osaka J. Math.},
volume = {10},
number = {1},
year = {1973},
pages = { 511-520},
language = {en},
url = {http://dml.mathdoc.fr/item/1200694559}
}
Ikeda, Hiroshi. Non-contractible acyclic normal spines. Osaka J. Math., Tome 10 (1973) no. 1, pp. 511-520. http://gdmltest.u-ga.fr/item/1200694559/