%0 Journal Article %A G. V. Cox %T A universal null graph whose domain has positive measure %J Colloquium Mathematicum %D 1982 %P 181-184 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-46-2-181-184/ %R 10.4064/cm-46-2-181-184 %G en %F 10_4064_cm_46_2_181_184