%0 Journal Article %A Alexandr Kazda %T Möbius number systems %J Novi Sad Journal of Mathematics %D 2010 %P 27-53 %V 40 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_2010_40_2a_14/ %F NSJOM_2010_40_2a_14