Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1980__21_134431, author = {F. Pastijn and K.S.S. Nambooripad}, title = {Subgroups of free idempotent generated regular semigroups.}, journal = {Semigroup forum}, pages = {1--8}, publisher = {mathdoc}, volume = {21}, year = {1980}, zbl = {0449.20061}, url = {http://geodesic.mathdoc.fr/item/SF_1980__21_134431/} }
F. Pastijn; K.S.S. Nambooripad. Subgroups of free idempotent generated regular semigroups.. Semigroup forum, Tome 21 (1980), pp. 1-8. http://geodesic.mathdoc.fr/item/SF_1980__21_134431/