@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/