Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1970__116_171393, author = {Michael Barr}, title = {Coequalizers and {Free} {Triples.}}, journal = {Mathematische Zeitschrift}, pages = {307--322}, publisher = {mathdoc}, volume = {116}, year = {1970}, zbl = {0194.01701}, url = {http://geodesic.mathdoc.fr/item/MZ_1970__116_171393/} }
Michael Barr. Coequalizers and Free Triples.. Mathematische Zeitschrift, Tome 116 (1970), pp. 307-322. http://geodesic.mathdoc.fr/item/MZ_1970__116_171393/