Dergiler / Turkish Journal of Mathematics / 1995 / Cilt: 19 - Sayı: 2A harnack inequality for homogeneous graphs and subgraphsF.R.K. CHUNG, S.T. YAUDergiTurkish Journal of MathematicsSayı1995 · Cilt: 19 - Sayı: 2Sayfa119–129DOI—