%0 Journal Article %A Veikko Ennola %T On a Theorem of erdös and Turan. %J Mathematica Scandinavica %D 1968 %P 75-80 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1968__22_166032/ %F MS2_1968__22_166032