TY - JOUR AU - E. Gekeler TI - A-priori Error Estimates of Galerkin Backward Differentiation Methods in Time-Inhomogeneous Parabolic Problem. JO - Numerische Mathematik PY - 1978 SP - 369 EP - 384 VL - 30 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1978__30_132557/ ID - NUMA_1978__30_132557 ER -