@article{SF_1990__41_2_135045,
     author = {S. Bulman-Fleming and K. McDowell and J. Renshaw},
     title = {Some observations on left absolutely flat monoids.},
     journal = {Semigroup forum},
     pages = {165--172},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {1990},
     zbl = {0704.20053},
     url = {http://geodesic.mathdoc.fr/item/SF_1990__41_2_135045/}
}