%0 Journal Article %A Hiroshi Ito %T A function on the upper half space which is analogous to the imaginary part of log ... (z). %J Journal für die reine und angewandte Mathematik %D 1987 %P 148-165 %V 373 %I mathdoc %U http://geodesic.mathdoc.fr/item/JRAM_1987__373_152888/ %F JRAM_1987__373_152888