%0 Journal Article %A Árpád Száz %T The intersection convolution of relations and the Hahn-Banach type theorems %J Annales Polonici Mathematici %D 1998 %P 235-249 %V 69 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-69-3-235-249/ %R 10.4064/ap-69-3-235-249 %G en %F 10_4064_ap_69_3_235_249