@article{10_21136_MB_1996_126097,
     author = {Jakub{\'\i}kov\'a-Studenovsk\'a, Danica},
     title = {Two types of retract irreducibility of connected monounary algebras},
     journal = {Mathematica Bohemica},
     pages = {143--150},
     publisher = {mathdoc},
     volume = {121},
     number = {2},
     year = {1996},
     doi = {10.21136/MB.1996.126097},
     mrnumber = {1400606},
     zbl = {0863.08007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1996.126097/}
}