%0 Journal Article %A Lech Pasicki %T A Basic Fixed Point Theorem %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2006 %P 85-88 %V 54 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba54-1-8/ %R 10.4064/ba54-1-8 %G en %F 10_4064_ba54_1_8