@article{RMI_2004_2004_1_a29,
     author = {Carles, R\'emi and Rauch, Jeffrey},
     title = {Focalizaci\'on de pulsos no lineales esf\'ericos en {R1+3.} {II.} {C\'austica} no lineal.},
     journal = {Revista matem\'atica iberoamericana},
     pages = {815-864},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_2004_2004_1_a29/}
}