@article{10_21136_CMJ_1982_101803,
     author = {Jakub{\'\i}kov\'a-Studenovsk\'a, Danica},
     title = {Partial monounary algebras with common congruence relations},
     journal = {Czechoslovak Mathematical Journal},
     pages = {307--326},
     year = {1982},
     volume = {32},
     number = {2},
     doi = {10.21136/CMJ.1982.101803},
     mrnumber = {654063},
     zbl = {0509.08008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1982.101803/}
}