Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1995__50_3_135374, author = {Z. Liu}, title = {Monoids over which all regular left acts are flat.}, journal = {Semigroup forum}, pages = {135--140}, publisher = {mathdoc}, volume = {50}, number = {3}, year = {1995}, zbl = {0827.20078}, url = {http://geodesic.mathdoc.fr/item/SF_1995__50_3_135374/} }
Z. Liu. Monoids over which all regular left acts are flat.. Semigroup forum, Tome 50 (1995) no. 3, pp. 135-140. http://geodesic.mathdoc.fr/item/SF_1995__50_3_135374/