%0 Journal Article %A T. Kóvari %A V. Sós %A P. Turán %T On a problem of K. Zarankiewicz %J Colloquium Mathematicum %D 1954 %P 50-57 %V 3 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-3-1-50-57/ %R 10.4064/cm-3-1-50-57 %G pl %F 10_4064_cm_3_1_50_57