@article{SF_1985__31_134751,
     author = {A. de Luca},
     title = {A note on the {Burnside} problem for semigroups.},
     journal = {Semigroup forum},
     pages = {251--254},
     publisher = {mathdoc},
     volume = {31},
     year = {1985},
     zbl = {0554.20020},
     url = {http://geodesic.mathdoc.fr/item/SF_1985__31_134751/}
}