@article{10_21136_CMJ_1981_101761,
     author = {Nebesk\'y, Ladislav},
     title = {Hypergraphs and intervals},
     journal = {Czechoslovak Mathematical Journal},
     pages = {469--474},
     year = {1981},
     volume = {31},
     number = {3},
     doi = {10.21136/CMJ.1981.101761},
     mrnumber = {626920},
     zbl = {0473.05047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1981.101761/}
}