@article{RRACEFN_1993_1993_1_a3,
     author = {Rykov, Yu G.},
     title = {On the behaviour of generalized solutions of the {Cauchy} problem for essentially nonautonous quasilinear first order equations.},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales },
     pages = {263-284},
     publisher = {mathdoc},
     volume = {87},
     number = {2-3},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1993_1993_1_a3/}
}