@article{1029000521,
author = {Hardie, K. A.},
title = {A note on fibrations and category.},
journal = {Michigan Math. J.},
volume = {17},
number = {1},
year = {1970},
pages = { 351-352},
language = {en},
url = {http://dml.mathdoc.fr/item/1029000521}
}
Hardie, K. A. A note on fibrations and category.. Michigan Math. J., Tome 17 (1970) no. 1, pp. 351-352. http://gdmltest.u-ga.fr/item/1029000521/