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@article{BAG_1987__24_138361, author = {Tatsuhiko Saito}, title = {Semigroup theoretical approach to normal ideals}, journal = {Beitr\"age zur Algebra und Geometrie}, pages = {99--110}, publisher = {mathdoc}, volume = {24}, year = {1987}, zbl = {0613.20040}, url = {http://geodesic.mathdoc.fr/item/BAG_1987__24_138361/} }
Tatsuhiko Saito. Semigroup theoretical approach to normal ideals. Beiträge zur Algebra und Geometrie, Tome 24 (1987), pp. 99-110. http://geodesic.mathdoc.fr/item/BAG_1987__24_138361/