@article{CMJ_2003_53_1_a4,
     author = {Jakub{\'\i}kov\'a-Studenovsk\'a, Danica},
     title = {On 2-homogeneity of monounary algebras},
     journal = {Czechoslovak Mathematical Journal},
     pages = {55--68},
     year = {2003},
     volume = {53},
     number = {1},
     mrnumber = {1961998},
     zbl = {1014.08005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2003_53_1_a4/}
}