TY - JOUR AU - G. Fix AU - N. Nassif TI - On Finite Element Approximations to Time-Dependent Problems. JO - Numerische Mathematik PY - 1972 SP - 127 EP - 135 VL - 19 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1972__19_132137/ ID - NUMA_1972__19_132137 ER -