%0 Journal Article %A Shigeru Haruki %T Note on the equation ... f = 0 (Short Communication). %J Aequationes mathematicae %D 1979 %P 305-305 %V 19 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1979__19_136833/ %F AM2_1979__19_136833