%0 Journal Article %A Somer, Lawrence %A Křížek, Michal %T On a connection of number theory with graph theory %J Czechoslovak Mathematical Journal %D 2004 %P 465-485 %V 54 %N 2 %U http://geodesic.mathdoc.fr/item/CMJ_2004_54_2_a18/ %G en %F CMJ_2004_54_2_a18