@article{CMUC_1981_22_2_a13,
     author = {Jakub{\'\i}kov\'a-Studenovsk\'a, Danica},
     title = {On congruence lattices of finite partial unary algebras},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {357--364},
     year = {1981},
     volume = {22},
     number = {2},
     mrnumber = {620371},
     zbl = {0467.08002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1981_22_2_a13/}
}