Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1992__45_3_135201, author = {S.M. Goberstein}, title = {Perfect completely semisimple inverse semigroups.}, journal = {Semigroup forum}, pages = {395--397}, publisher = {mathdoc}, volume = {45}, number = {3}, year = {1992}, zbl = {0773.20027}, url = {http://geodesic.mathdoc.fr/item/SF_1992__45_3_135201/} }
S.M. Goberstein. Perfect completely semisimple inverse semigroups.. Semigroup forum, Tome 45 (1992) no. 3, pp. 395-397. http://geodesic.mathdoc.fr/item/SF_1992__45_3_135201/