@article{SF_1996__52_3_135443,
     author = {H. Sezinando and O. Neto},
     title = {Trees, band monoids, and formal languages.},
     journal = {Semigroup forum},
     pages = {141--156},
     publisher = {mathdoc},
     volume = {52},
     number = {3},
     year = {1996},
     zbl = {0851.20060},
     url = {http://geodesic.mathdoc.fr/item/SF_1996__52_3_135443/}
}