@article{bwmeta1.element.bwnjournal-article-fmv88i1p22bwm,
author = {R. Sher},
title = {A theory of absolute proper retracts},
journal = {Fundamenta Mathematicae},
volume = {89},
year = {1975},
pages = {241-247},
zbl = {0313.54016},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv88i1p22bwm}
}
Sher, R. A theory of absolute proper retracts. Fundamenta Mathematicae, Tome 89 (1975) pp. 241-247. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv88i1p22bwm/