%0 Journal Article %A N. Varopoulos %T A problem on Kronecker sets %J Studia Mathematica %D 1970 %P 99-101 %V 37 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-37-1-99-101/ %R 10.4064/sm-37-1-99-101 %G de %F 10_4064_sm_37_1_99_101