hal-03791166 title_s A monotone numerical flux for quasilinear convection diffusion equation auteur Claire Chainais-Hillairet, Robert Eymard, Jürgen Fuhrmann journal Mathematics of Computation volume 93 numero 345 pages 203-231 doi 10.1090/mcom/3870 fichier_hal https://hal.science/hal-03791166/document annee 2024