TY - JOUR AU - C. Johnson TI - On Finite Element Methods for Plasticity Problems. JO - Numerische Mathematik PY - 1976 SP - 79 EP - 84 VL - 26 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1976__26_132402/ ID - NUMA_1976__26_132402 ER -