TY - JOUR AU - J.C. Guillot AU - P. Joly TI - Approximation by Finite Differences of the Propagation of Acoustic Waves in Stratified Media. JO - Numerische Mathematik PY - 1989 SP - 655 EP - 702 VL - 54 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1989__54_3_133339/ ID - NUMA_1989__54_3_133339 ER -