@article{10_21136_CMJ_1988_102261,
     author = {Jakub{\'\i}kov\'a-Studenovsk\'a, Danica},
     title = {Convex subsets of partial monounary algebras},
     journal = {Czechoslovak Mathematical Journal},
     pages = {655--672},
     publisher = {mathdoc},
     volume = {38},
     number = {4},
     year = {1988},
     doi = {10.21136/CMJ.1988.102261},
     mrnumber = {962909},
     zbl = {0677.08004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102261/}
}