@article{GDZPPN001186310,
title = {The frequency decomposition multi-grid method. II. Convergence analysis based on the additive Schwarz method.},
journal = {Numerische Mathematik},
volume = {63},
year = {1992},
pages = {433-454},
zbl = {0793.65089},
url = {http://dml.mathdoc.fr/item/GDZPPN001186310}
}
Hackbusch, Wolfgang. The frequency decomposition multi-grid method. II. Convergence analysis based on the additive Schwarz method.. Numerische Mathematik, Tome 63 (1992) pp. 433-454. http://gdmltest.u-ga.fr/item/GDZPPN001186310/