%0 Journal Article %A T.R. BUMBY %T On a Problem of D'Atri and Nickerson (Short Communication) %J Aequationes mathematicae %D 1973 %P 308-309 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1973__9_136372/ %F AM2_1973__9_136372