TY - JOUR AU - M. Vanninathan AU - G.D. Veerappa Gowda TI - Approximation of Tricomi Problem with Neumann Boundary Condition. JO - Numerische Mathematik PY - 1984 SP - 371 EP - 392 VL - 44 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1984__44_132943/ ID - NUMA_1984__44_132943 ER -