%0 Journal Article %A Włodzimierz Fechner %A Justyna Sikorska %T On the Stability of Orthogonal Additivity %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2010 %P 23-30 %V 58 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba58-1-3/ %R 10.4064/ba58-1-3 %G en %F 10_4064_ba58_1_3