@article{CMUC_1982__23_2_a13,
     author = {Ku\v{c}era, Lud\v{e}k},
     title = {On the monoids of homomorphisms of semigroups with unity},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {369--381},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1982},
     mrnumber = {664982},
     zbl = {0504.18003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1982__23_2_a13/}
}