%0 Journal Article %A Jakub Onufry Wojtaszczyk %T A series whose sum range is an arbitrary finite set %J Studia Mathematica %D 2005 %P 261-281 %V 171 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4064/sm171-3-4/ %R 10.4064/sm171-3-4 %G en %F 10_4064_sm171_3_4