@article{MASLO_2005__55_2_a2,
     author = {\v{C}ipkov\'a, Karla and Jakub{\'\i}kov\'a-Studenovsk\'a, Danica},
     title = {Graph homomorphisms of partial monounary algebras},
     journal = {Mathematica slovaca},
     pages = {155--167},
     publisher = {mathdoc},
     volume = {55},
     number = {2},
     year = {2005},
     mrnumber = {2177705},
     zbl = {1108.08002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2005__55_2_a2/}
}