@article{CMUC_1975__16_1_a2,
     author = {Trnkov\'a, V\v{e}ra},
     title = {Minimal realizations for finite sets in categorial automata theory},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {21--35},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {1975},
     mrnumber = {0371985},
     zbl = {0315.18003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1975__16_1_a2/}
}