Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1966__7_2_a3, author = {Trnkov\'a, V\v{e}ra}, title = {Universal categories}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {143--206}, publisher = {mathdoc}, volume = {07}, number = {2}, year = {1966}, mrnumber = {0202808}, zbl = {0163.01501}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1966__7_2_a3/} }
Trnková, Věra. Universal categories. Commentationes Mathematicae Universitatis Carolinae, Tome 07 (1966) no. 2, pp. 143-206. http://geodesic.mathdoc.fr/item/CMUC_1966__7_2_a3/