@article{MASLO_1987_37_2_a8,
     author = {Pond\v{e}l{\'\i}\v{c}ek, Bed\v{r}ich},
     title = {Note on nilpotency in semigroups},
     journal = {Mathematica slovaca},
     pages = {205--208},
     year = {1987},
     volume = {37},
     number = {2},
     mrnumber = {899437},
     zbl = {0632.20038},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1987_37_2_a8/}
}