Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{AUCMP_1971__12_1_a3, author = {Kepka, Tom\'a\v{s}}, title = {Regular mappings of groupoids}, journal = {Acta Universitatis Carolinae. Mathematica et Physica}, pages = {25--37}, publisher = {mathdoc}, volume = {12}, number = {1}, year = {1971}, zbl = {0254.20053}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AUCMP_1971__12_1_a3/} }
Kepka, Tomáš. Regular mappings of groupoids. Acta Universitatis Carolinae. Mathematica et Physica, Tome 12 (1971) no. 1, pp. 25-37. http://geodesic.mathdoc.fr/item/AUCMP_1971__12_1_a3/