%0 Journal Article %A Henrik Stetkaer %T D'Alembert's equation and spherical functions. %J Aequationes mathematicae %D 1994 %P 220-227 %V 48 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1994__48_2-3_137608/ %F AM2_1994__48_2-3_137608