%0 Journal Article %A Kress, R. %T A factorization method for an inverse Neumann problem for harmonic vector fields. %J Georgian Mathematical Journal %D 2003 %P 549-560 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_2003__10_3_50974/ %G en %F GMJ_2003__10_3_50974