@article{104935, author = {Karel Drbohlav}, title = {On finitely generated commutative semigroups}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {004}, year = {1963}, pages = {87-92}, zbl = {0138.02001}, mrnumber = {0167549}, language = {en}, url = {http://dml.mathdoc.fr/item/104935} }
Drbohlav, Karel. On finitely generated commutative semigroups. Commentationes Mathematicae Universitatis Carolinae, Tome 004 (1963) pp. 87-92. http://gdmltest.u-ga.fr/item/104935/
Concerning congruence relations on commutative semigroups (Preliminary communication), Comm. Math. Univ. Carolinae 4, 1 (1963), 11-13. (1963) | MR 0158943
Zur Theorie der Kongruenzrelationen auf kommutativen Halbgruppen, to appear in Mathematische Nachrichten. | MR 0166282 | Zbl 0138.02002