@article{ARM_1980__16_2_a5,
     author = {Nov\'ak, V{\'\i}t\v{e}zslav},
     title = {Verallgemeinerte {Sprachen} und ihre {Homomorphismen}},
     journal = {Archivum mathematicum},
     pages = {115--125},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1980},
     mrnumber = {594674},
     zbl = {0452.68079},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/item/ARM_1980__16_2_a5/}
}