@article{10_21136_CMJ_1996_127291,
     author = {Jakub{\'\i}kov\'a-Studenovsk\'a, Danica},
     title = {Retract irreducibility of connected monounary algebras. {I}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {291--308},
     year = {1996},
     volume = {46},
     number = {2},
     doi = {10.21136/CMJ.1996.127291},
     mrnumber = {1388617},
     zbl = {0870.08006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1996.127291/}
}