%0 Journal Article %A Hiroshi Yamaguchi %T An extension of a theorem of F. Forelli. %J Mathematica Scandinavica %D 1983 %P 145-160 %V 52 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1983__52_166838/ %F MS2_1983__52_166838