%0 Journal Article %A Bhattacharya, Tilak %T An elementary proof of the Harnack inequality for non-negative infinity-superharmonic functions %J Electronic journal of differential equations %D 2001 %V 2001 %U http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a182/ %G en %F EJDE_2001__2001__a182