@article{SF_1993__46_1_135204,
     author = {A. Nagy},
     title = {Semilattice decomposition  of n(2)-permutable  semigroups.},
     journal = {Semigroup forum},
     pages = {16--20},
     year = {1993},
     volume = {46},
     number = {1},
     zbl = {0766.20020},
     url = {http://geodesic.mathdoc.fr/item/SF_1993__46_1_135204/}
}