%0 Journal Article %A Aleksander Błaszczyk %A Anna Brzeska %T $P_{\lambda}$-sets and skeletal mappings %J Colloquium Mathematicum %D 2013 %P 89-98 %V 131 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm131-1-8/ %R 10.4064/cm131-1-8 %G en %F 10_4064_cm131_1_8