%0 Journal Article %A Jan Mikusiński %A Czesław Ryll-Nardzewski %T On linear functionals in Abelian groups %J Colloquium Mathematicum %D 1947 %P 294-296 %V 1 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-1-4-294-296/ %R 10.4064/cm-1-4-294-296 %G en %F 10_4064_cm_1_4_294_296