@article{02153125,
title = {Weak cofibrations in categories of cofibrant objects.},
journal = {Homology, Homotopy and Applications},
volume = {5},
year = {2003},
pages = {345-386},
zbl = {1071.18008},
language = {en},
url = {http://dml.mathdoc.fr/item/02153125}
}
Kieboom, R.W.; Sonck, G.; Van der Linden, T.; Witbooi, P.J. Weak cofibrations in categories of cofibrant objects.. Homology, Homotopy and Applications, Tome 5 (2003) pp. 345-386. http://gdmltest.u-ga.fr/item/02153125/