%0 Journal Article %A Peter Ebenfelt %T Some results on the Pompeiu problem %J Annales Fennici Mathematici %D 1993 %P 369-375 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AFM_1993_18_2_a9/ %G en %F AFM_1993_18_2_a9