TY - JOUR AU - Bhattacharya, Tilak TI - An elementary proof of the Harnack inequality for non-negative infinity-superharmonic functions JO - Electronic Journal of Differential Equations PY - 2001 VL - 2001 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a104/ LA - en ID - EJDE_2001__2001__a104 ER -