@article{MASLO_1980__30_2_a12,
     author = {Jakub{\'\i}kov\'a-Studenovsk\'a, Danica},
     title = {On weakly rigid monounary algebras},
     journal = {Mathematica slovaca},
     pages = {197--206},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1980},
     mrnumber = {587246},
     zbl = {0439.08003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1980__30_2_a12/}
}