%0 Journal Article %A Mikayelyan, Hayk %T Example of an $\infty$-harmonic function which is not $C^2$ on a dense subset %J Electronic Journal of Differential Equations %D 2005 %V 2005 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a169/ %G en %F EJDE_2005__2005__a169