%0 Journal Article %A C. Cobeli %A G. Groza %A M. Vâjâitu %A A. Zaharescu %T Generalization of a theorem of Steinhaus %J Colloquium Mathematicum %D 2002 %P 257-266 %V 92 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm92-2-9/ %R 10.4064/cm92-2-9 %G en %F 10_4064_cm92_2_9