@article{RMI_1991_1991_1_a6,
     author = {Fernandes, Jos\'e C.},
     title = {Valor medio y desigualdades de {Harnack} para cierta clase de ecuaciones parab\'olicas degeneradas.},
     journal = {Revista matem\'atica iberoamericana},
     pages = {247-286},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_1991_1991_1_a6/}
}