TY - JOUR AU - Chen, Jingyi AU - Hsu, Elton P. TI - Gradient Estimates for Harmonic Functions on Manifolds With Lipschitz Metrics JO - Canadian journal of mathematics PY - 1998 SP - 1163 EP - 1175 VL - 50 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-056-8/ DO - 10.4153/CJM-1998-056-8 ID - 10_4153_CJM_1998_056_8 ER -