%0 Journal Article %A M. Hiller %T Miscellanea %J WiadomoĊ›ci Matematyczne %D 2000 %P 22 %V 36 %N 01 %U http://geodesic.mathdoc.fr/articles/10.14708/wm.v36i01.4829/ %R 10.14708/wm.v36i01.4829 %G pl %F 10_14708_wm_v36i01_4829