@article{MASLO_1975_25_4_a4,
     author = {Zelinka, Bohdan},
     title = {Intersection {Graphs} of {Semilattices}},
     journal = {Mathematica slovaca},
     pages = {345--350},
     year = {1975},
     volume = {25},
     number = {4},
     mrnumber = {0427185},
     zbl = {0326.06005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1975_25_4_a4/}
}