%0 Journal Article %A R. Rannacher %T Nonconforming Finite Element Methods for Eigenvalue Problems in Linear Plate Theory. %J Numerische Mathematik %D 1979 %P 23-42 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1979__33_132626/ %F NUMA_1979__33_132626