Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1971__3_133840, author = {B. Bosbach}, title = {Zur {Theorie} der {Teilbarkeitshalbgruppen.}}, journal = {Semigroup forum}, pages = {1--30}, publisher = {mathdoc}, volume = {3}, year = {1971}, zbl = {0226.20069}, url = {http://geodesic.mathdoc.fr/item/SF_1971__3_133840/} }
B. Bosbach. Zur Theorie der Teilbarkeitshalbgruppen.. Semigroup forum, Tome 3 (1971), pp. 1-30. http://geodesic.mathdoc.fr/item/SF_1971__3_133840/