@article{SF_1994__48_3_135309,
     author = {G. Lallement and L. Rosaz},
     title = {Residual finiteness of a class of semigroups presented by a single relation.},
     journal = {Semigroup forum},
     pages = {169--179},
     publisher = {mathdoc},
     volume = {48},
     number = {3},
     year = {1994},
     zbl = {0807.20047},
     url = {http://geodesic.mathdoc.fr/item/SF_1994__48_3_135309/}
}