TY - JOUR AU - Eugene O'Riordan TI - Singularly Perturbed Finite Element Methods. JO - Numerische Mathematik PY - 1984 SP - 425 EP - 434 VL - 44 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1984__44_132947/ ID - NUMA_1984__44_132947 ER -