@article{ARM_1990__26_2-3_a12,
     author = {Novotn\'y, Miroslav},
     title = {Mono-unary algebras in the work of {Czechoslovak} mathematicians},
     journal = {Archivum mathematicum},
     pages = {155--164},
     publisher = {mathdoc},
     volume = {26},
     number = {2-3},
     year = {1990},
     mrnumber = {1188275},
     zbl = {0741.08001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1990__26_2-3_a12/}
}