TY - JOUR AU - J. Hartung TI - A Stable Interior Penalty Method for Convex Extremal Problems. JO - Numerische Mathematik PY - 1977 SP - 149 EP - 158 VL - 29 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1977__29_132510/ ID - NUMA_1977__29_132510 ER -