%0 Journal Article %A Lovera, Oscar Mario %A Santos, Juan Enrique %T Numerical methods for a model for wave propagation in composite anisotropic media %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1988 %P 159-176 %V 22 %N 1 %I AFCET - Gauthier-Villars %C Paris %U http://geodesic.mathdoc.fr/item/M2AN_1988__22_1_159_0/ %G en %F M2AN_1988__22_1_159_0