@article{10_21136_CMJ_1986_102066,
     author = {\v{S}marda, Bohumil},
     title = {Local semigroups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {59--67},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1986},
     doi = {10.21136/CMJ.1986.102066},
     mrnumber = {822867},
     zbl = {0605.22002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1986.102066/}
}