%0 Journal Article %A MichaƂ Korch %A Tomasz Weiss %T On the Class of Perfectly Null Sets and Its Transitive Version %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2016 %P 1-20 %V 64 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba8029-5-2016/ %R 10.4064/ba8029-5-2016 %G en %F 10_4064_ba8029_5_2016