@article{CMJ_2001__51_3_a13,
     author = {Nebesk\'y, Ladislav},
     title = {A characterization of the interval function of a (finite or infinite) connected graph},
     journal = {Czechoslovak Mathematical Journal},
     pages = {635--642},
     publisher = {mathdoc},
     volume = {51},
     number = {3},
     year = {2001},
     mrnumber = {1851552},
     zbl = {1079.05505},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2001__51_3_a13/}
}