@article{GDZPPN002409178,
title = {Weak Homotopy Category of a Category with a Cotriple.},
journal = {Mathematische Zeitschrift},
volume = {121},
year = {1971},
pages = {295-304},
zbl = {0211.32703},
url = {http://dml.mathdoc.fr/item/GDZPPN002409178}
}
Nienhuys-Cheng, S.H. Weak Homotopy Category of a Category with a Cotriple.. Mathematische Zeitschrift, Tome 121 (1971) pp. 295-304. http://gdmltest.u-ga.fr/item/GDZPPN002409178/