%0 Journal Article %A P. TurĂ¡n %T On the theory of graphs %J Colloquium Mathematicum %D 1954 %P 19-30 %V 3 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-3-1-19-30/ %R 10.4064/cm-3-1-19-30 %G en %F 10_4064_cm_3_1_19_30