@article{CMJ_2004_54_2_a18,
     author = {Somer, Lawrence and K\v{r}{\'\i}\v{z}ek, Michal},
     title = {On a connection of number theory with graph theory},
     journal = {Czechoslovak Mathematical Journal},
     pages = {465--485},
     year = {2004},
     volume = {54},
     number = {2},
     mrnumber = {2059267},
     zbl = {1080.11004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2004_54_2_a18/}
}