TY - JOUR AU - D. Braess AU - P. Peisker TI - A Conjugate Gradient Method and a Multigrid Algorithm for Morley' s Finite Element Approximation of the Biharmonic Equation. JO - Numerische Mathematik PY - 1986 SP - 567 EP - 586 VL - 50 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1986__50_133173/ ID - NUMA_1986__50_133173 ER -