@article{1102702807,
author = {Roitberg, Joseph},
title = {On weak epimorphisms in homotopy theory.},
journal = {Pacific J. Math.},
volume = {125},
number = {2},
year = {1986},
pages = { 183-187},
language = {en},
url = {http://dml.mathdoc.fr/item/1102702807}
}
Roitberg, Joseph. On weak epimorphisms in homotopy theory.. Pacific J. Math., Tome 125 (1986) no. 2, pp. 183-187. http://gdmltest.u-ga.fr/item/1102702807/