@article{05233866, title = {Conservation laws. I: Viscosity solutions.}, journal = {Revista Colombiana de Matem\'aticas}, volume = {41}, year = {2007}, pages = {81-90}, zbl = {1156.35428}, language = {en}, url = {http://dml.mathdoc.fr/item/05233866} }
Yan, Jin; Cheng, Zhixin; Tao, Ming. Conservation laws. I: Viscosity solutions.. Revista Colombiana de Matemáticas, Tome 41 (2007) pp. 81-90. http://gdmltest.u-ga.fr/item/05233866/