Atribución-NoComercial 4.0 InternacionalKlingenberg, ChristianMontero, JulioRendón, Leonardo2019-07-032019-07-032013https://repositorio.unal.edu.co/handle/unal/73831We consider the problem studied by Lu et. al. in [Proc. Am. Math. Soc. 131, 3511 (2003)] to which we add a source term. This is a system of three balance laws. We use standard techniques, such as viscous approximations and compensated compactness, to prove the existence of solutions.application/pdfspaDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/Artículo de revistahttp://bdigital.unal.edu.co/38308/info:eu-repo/semantics/openAccesscompensated compactnessconservations laws.