@article{SF_1992__44_1_135142,
     author = {H. Sezinando},
     title = {The cardinalities  of the {Green} classes of the free objects in varieties of bands.},
     journal = {Semigroup forum},
     pages = {164--198},
     year = {1992},
     volume = {44},
     number = {1},
     zbl = {0751.20041},
     url = {http://geodesic.mathdoc.fr/item/SF_1992__44_1_135142/}
}