Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1994__44_2_a10, author = {Satko, Ladislav}, title = {The tensor product of groupoids}, journal = {Mathematica slovaca}, pages = {237--244}, publisher = {mathdoc}, volume = {44}, number = {2}, year = {1994}, mrnumber = {1282537}, zbl = {0803.20045}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1994__44_2_a10/} }
Satko, Ladislav. The tensor product of groupoids. Mathematica slovaca, Tome 44 (1994) no. 2, pp. 237-244. http://geodesic.mathdoc.fr/item/MASLO_1994__44_2_a10/