@article{10_21136_CMJ_1976_101378,
     author = {Kope\v{c}ek, Old\v{r}ich},
     title = {Homomorphisms of partial unary algebras},
     journal = {Czechoslovak Mathematical Journal},
     pages = {108--127},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1976},
     doi = {10.21136/CMJ.1976.101378},
     mrnumber = {0392759},
     zbl = {0344.08004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101378/}
}