%0 Journal Article %A Jolanta Plewnia %T A generalization of the Hahn-Banach theorem %J Annales Polonici Mathematici %D 1993 %P 47-51 %V 58 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-58-1-47-51/ %R 10.4064/ap-58-1-47-51 %G en %F 10_4064_ap_58_1_47_51