%0 Journal Article %A S. Linde %T Miscellanea %J WiadomoĊ›ci Matematyczne %D 2007 %P 48 %V 43 %N 01 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/wm.v43i01.5075/ %R 10.14708/wm.v43i01.5075 %G pl %F 10_14708_wm_v43i01_5075