Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1977__15_134246, author = {D. Poguntke}, title = {Well-bounded semigroups in connected groups.}, journal = {Semigroup forum}, pages = {159--168}, publisher = {mathdoc}, volume = {15}, year = {1977}, zbl = {0393.22001}, url = {http://geodesic.mathdoc.fr/item/SF_1977__15_134246/} }
D. Poguntke. Well-bounded semigroups in connected groups.. Semigroup forum, Tome 15 (1977), pp. 159-168. http://geodesic.mathdoc.fr/item/SF_1977__15_134246/