@article{10_21136_CMJ_1983_101898,
     author = {Pond\v{e}l{\'\i}\v{c}ek, Bed\v{r}ich},
     title = {Atomicity of tolerance lattices of commutative semigroups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {485--498},
     year = {1983},
     volume = {33},
     number = {3},
     doi = {10.21136/CMJ.1983.101898},
     mrnumber = {718931},
     zbl = {0535.20041},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101898/}
}