@article{RMI_1999_1999_1_a5,
     author = {Bakry, Dominique and Qian, Zhongmin M.},
     title = {Desigualdades de {Harnack} en una variedad con curvatura de {Ricci} positiva o negativa.},
     journal = {Revista matem\'atica iberoamericana},
     pages = {143-179},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_1999_1999_1_a5/}
}