%0 Journal Article %A Grzegorz Krzykowski %T On the transformers of the Zahorski classes of functions %J Fundamenta Mathematicae %D 1985 %P 59-70 %V 125 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-125-1-59-70/ %R 10.4064/fm-125-1-59-70 %G en %F 10_4064_fm_125_1_59_70