TY  - JOUR
AU  - Cranston, M.
TI  - A Probabilistic Approach to Gradient Estimates
JO  - Canadian mathematical bulletin
PY  - 1992
SP  - 46
EP  - 55
VL  - 35
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-007-6/
DO  - 10.4153/CMB-1992-007-6
ID  - 10_4153_CMB_1992_007_6
ER  -