Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1977__18_1_a6, author = {Rosick\'y, Ji\v{r}{\'\i}}, title = {One example concerning testing categories}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {71--75}, publisher = {mathdoc}, volume = {18}, number = {1}, year = {1977}, mrnumber = {0432730}, zbl = {0355.18007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1977__18_1_a6/} }
Rosický, Jiří. One example concerning testing categories. Commentationes Mathematicae Universitatis Carolinae, Tome 18 (1977) no. 1, pp. 71-75. http://geodesic.mathdoc.fr/item/CMUC_1977__18_1_a6/