TY - JOUR AU - Lucia Gastaldi AU - Ricardo Nochetto TI - Optimal L...-Error Estimates for Nonconforming and Mixed Finite Element Methods of Lowest Order. JO - Numerische Mathematik PY - 1986 SP - 587 EP - 612 VL - 50 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1986__50_133174/ ID - NUMA_1986__50_133174 ER -