%0 Journal Article %A V. Popa %T A general fixed point theorem for two pairs of mappings on two metric spaces %J Novi Sad Journal of Mathematics %D 2005 %P 79-83 %V 35 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_2005_35_2a_6/ %F NSJOM_2005_35_2a_6