Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1996__53_2_135487, author = {M. Kilp}, title = {Perfect monoids revisited.}, journal = {Semigroup forum}, pages = {225--229}, publisher = {mathdoc}, volume = {53}, number = {2}, year = {1996}, zbl = {0865.20053}, url = {http://geodesic.mathdoc.fr/item/SF_1996__53_2_135487/} }
M. Kilp. Perfect monoids revisited.. Semigroup forum, Tome 53 (1996) no. 2, pp. 225-229. http://geodesic.mathdoc.fr/item/SF_1996__53_2_135487/