@article{GDZPPN002057557,
title = {Fibrations and Cocategory.},
journal = {Commentarii mathematici Helvetici},
volume = {35},
year = {1961},
pages = {15-24},
language = {en},
url = {http://dml.mathdoc.fr/item/GDZPPN002057557}
}
Ganea, Tudor. Fibrations and Cocategory.. Commentarii mathematici Helvetici, Tome 35 (1961) pp. 15-24. http://gdmltest.u-ga.fr/item/GDZPPN002057557/