Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1963__4_3_a0, author = {Drbohlav, Karel}, title = {On finitely generated commutative semigroups}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {87--92}, publisher = {mathdoc}, volume = {04}, number = {3}, year = {1963}, mrnumber = {0167549}, zbl = {0138.02001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1963__4_3_a0/} }
Drbohlav, Karel. On finitely generated commutative semigroups. Commentationes Mathematicae Universitatis Carolinae, Tome 04 (1963) no. 3, pp. 87-92. http://geodesic.mathdoc.fr/item/CMUC_1963__4_3_a0/