%0 Journal Article %A Lashkhi, A. %T Harmonic maps over rings. %J Georgian Mathematical Journal %D 1997 %P 41-64 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_1997__4_1_47802/ %G en %F GMJ_1997__4_1_47802