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@article{SF_1990__41_2_135036, author = {S. Bulman-Fleming and V.A.R. Gould}, title = {On left absolutely flat monoids.}, journal = {Semigroup forum}, pages = {55--60}, publisher = {mathdoc}, volume = {41}, number = {2}, year = {1990}, zbl = {0696.20052}, url = {http://geodesic.mathdoc.fr/item/SF_1990__41_2_135036/} }
S. Bulman-Fleming; V.A.R. Gould. On left absolutely flat monoids.. Semigroup forum, Tome 41 (1990) no. 2, pp. 55-60. http://geodesic.mathdoc.fr/item/SF_1990__41_2_135036/