Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1965_160_2_a8, author = {A. Pultr and Z. Hedrl{\'\i}n}, title = {On the representation of small categories}, journal = {Doklady Akademii Nauk}, pages = {284--286}, publisher = {mathdoc}, volume = {160}, number = {2}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_2_a8/} }
A. Pultr; Z. Hedrlín. On the representation of small categories. Doklady Akademii Nauk, Tome 160 (1965) no. 2, pp. 284-286. http://geodesic.mathdoc.fr/item/DAN_1965_160_2_a8/