@article{RMI_1986_1986_1_a12,
     author = {Dahlberg, Bjorn E. J. and Kenig, Carlos E.},
     title = {Soluciones no negativas de ecuaciones generalizadas de medio poroso.},
     journal = {Revista matem\'atica iberoamericana},
     pages = {267-305},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1986},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_1986_1986_1_a12/}
}