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@article{SF_1996__52_3_135442, author = {K. Shoji}, title = {Absolute flatness of regular semigroups with a finite height function.}, journal = {Semigroup forum}, pages = {133--140}, publisher = {mathdoc}, volume = {52}, number = {3}, year = {1996}, zbl = {0844.20054}, url = {http://geodesic.mathdoc.fr/item/SF_1996__52_3_135442/} }
K. Shoji. Absolute flatness of regular semigroups with a finite height function.. Semigroup forum, Tome 52 (1996) no. 3, pp. 133-140. http://geodesic.mathdoc.fr/item/SF_1996__52_3_135442/