@article{10_21136_CMJ_1977_101478,
     author = {Kope\v{c}ek, Old\v{r}ich},
     title = {The category of connected partial unary algebras},
     journal = {Czechoslovak Mathematical Journal},
     pages = {415--423},
     year = {1977},
     volume = {27},
     number = {3},
     doi = {10.21136/CMJ.1977.101478},
     mrnumber = {0453612},
     zbl = {0388.08005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1977.101478/}
}