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@article{SF_1991__43_3_135123, author = {F. Decruyenaere and E. Jespers and P. Wauters}, title = {On commutative principal ideal semigroup rings.}, journal = {Semigroup forum}, pages = {367--377}, publisher = {mathdoc}, volume = {43}, number = {3}, year = {1991}, zbl = {0731.20041}, url = {http://geodesic.mathdoc.fr/item/SF_1991__43_3_135123/} }
F. Decruyenaere; E. Jespers; P. Wauters. On commutative principal ideal semigroup rings.. Semigroup forum, Tome 43 (1991) no. 3, pp. 367-377. http://geodesic.mathdoc.fr/item/SF_1991__43_3_135123/