@article{GDZPPN001181084,
title = {A Conjugate Gradient Method and a Multigrid Algorithm for Morley' s Finite Element Approximation of the Biharmonic Equation.},
journal = {Numerische Mathematik},
volume = {50},
year = {1986},
pages = {567-586},
zbl = {0595.65113},
url = {http://dml.mathdoc.fr/item/GDZPPN001181084}
}
Braess, D.; Peisker, P. A Conjugate Gradient Method and a Multigrid Algorithm for Morley' s Finite Element Approximation of the Biharmonic Equation.. Numerische Mathematik, Tome 50 (1986) pp. 567-586. http://gdmltest.u-ga.fr/item/GDZPPN001181084/