@article{SF_1991__43_3_135107,
     author = {J. Jezek},
     title = {Subdirectly irreducible semilattices with an automorphism.},
     journal = {Semigroup forum},
     pages = {178--186},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {1991},
     zbl = {0770.08004},
     url = {http://geodesic.mathdoc.fr/item/SF_1991__43_3_135107/}
}