TY - JOUR AU - R. Rannacher TI - Nonconforming Finite Element Methods for Eigenvalue Problems in Linear Plate Theory. JO - Numerische Mathematik PY - 1979 SP - 23 EP - 42 VL - 33 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1979__33_132626/ ID - NUMA_1979__33_132626 ER -