%0 Journal Article %A Bienias, Marek %A Głąb, Szymon %A Rałowski, Robert %A Żeberski, Szymon %T Two point sets with additional properties %J Czechoslovak Mathematical Journal %D 2013 %P 1019-1037 %V 63 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10587-013-0069-2/ %R 10.1007/s10587-013-0069-2 %G en %F 10_1007_s10587_013_0069_2