@article{10_4153_CMB_1992_007_6,
     author = {Cranston, M.},
     title = {A {Probabilistic} {Approach} to {Gradient} {Estimates}},
     journal = {Canadian mathematical bulletin},
     pages = {46--55},
     year = {1992},
     volume = {35},
     number = {1},
     doi = {10.4153/CMB-1992-007-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-007-6/}
}