@article{M2AN_1988__22_1_159_0,
     author = {Lovera, Oscar Mario and Santos, Juan Enrique},
     title = {Numerical methods for a model for wave propagation in composite anisotropic media},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {159--176},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {22},
     number = {1},
     year = {1988},
     mrnumber = {934705},
     zbl = {0663.76094},
     language = {en},
     url = {http://www.numdam.org/item/M2AN_1988__22_1_159_0/}
}