%0 Journal Article %A Imre Kocsis %T Solution of a sum form equation in the two dimensional closed domain case %J Annales mathematicae et informaticae %D 2005 %P 61-78 %V 32 %I mathdoc %U http://geodesic.mathdoc.fr/item/AMI_2005_32_a3/ %G en %F AMI_2005_32_a3