%0 Journal Article %A Yu, Yifeng %T A remark on $C^2$ infinity-harmonic functions %J Electronic Journal of Differential Equations %D 2006 %V 2006 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a146/ %G en %F EJDE_2006__2006__a146