@article{MASLO_1992__42_1_a0,
     author = {Rach\r{u}nek, Ji\v{r}{\'\i}},
     title = {On $o$-modular and $o$-distributive semilattices},
     journal = {Mathematica slovaca},
     pages = {3--13},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {1992},
     mrnumber = {1159487},
     zbl = {0758.06003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1992__42_1_a0/}
}