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@article{SF_1984__29_134694, author = {S. Bulman-Fleming and K. McDowell}, title = {Flatness and amalgamation in semigroups.}, journal = {Semigroup forum}, pages = {337--342}, publisher = {mathdoc}, volume = {29}, year = {1984}, zbl = {0542.20041}, url = {http://geodesic.mathdoc.fr/item/SF_1984__29_134694/} }
S. Bulman-Fleming; K. McDowell. Flatness and amalgamation in semigroups.. Semigroup forum, Tome 29 (1984), pp. 337-342. http://geodesic.mathdoc.fr/item/SF_1984__29_134694/