@article{SD_1964-1965__18_2_A7_0, author = {Brameret, Marie-Paule and Enguehard, Michel and Renault, Guy}, title = {\'Etude \'el\'ementaire des cat\'egories}, journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres}, note = {talk:27}, pages = {1--46}, publisher = {Secr\'etariat math\'ematique}, volume = {18}, number = {2}, year = {1964-1965}, zbl = {0225.18003}, language = {fr}, url = {http://www.numdam.org/item/SD_1964-1965__18_2_A7_0/} }