%0 Journal Article %A W. Hanf %T On a problem of Erdös and Tarski %J Fundamenta Mathematicae %D 1964 %P 325-334 %V 53 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-53-3-325-334/ %R 10.4064/fm-53-3-325-334 %G de %F 10_4064_fm_53_3_325_334