@article{SF_1993__47_2_135282,
     author = {P.R. Jones},
     title = {Monoid varieties defined by   xn+1 = ... are local.},
     journal = {Semigroup forum},
     pages = {318--326},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {1993},
     zbl = {0790.20087},
     url = {http://geodesic.mathdoc.fr/item/SF_1993__47_2_135282/}
}