hal-00580549 title_s 3D Benchmark on Discretization Schemes for Anisotropic Diffusion Problems on General Grids auteur Robert Eymard, Gérard Henry, Rapahele Herbin, Florence Hubert, Robert Klofkorn, Gianmarco Manzini pages 895--930 fichier_hal https://hal.science/hal-00580549/document annee 2011 conference Finite Volume for Complex Applications VI