@article{GDZPPN001183338,
title = {The Frequency Decomposition Multi-Grid Method. Part I: Application to Anisotropic Equations.},
journal = {Numerische Mathematik},
volume = {56},
year = {1989},
pages = {229-246},
zbl = {0673.65062},
url = {http://dml.mathdoc.fr/item/GDZPPN001183338}
}
Hackbusch, Wolfgang. The Frequency Decomposition Multi-Grid Method. Part I: Application to Anisotropic Equations.. Numerische Mathematik, Tome 56 (1989) pp. 229-246. http://gdmltest.u-ga.fr/item/GDZPPN001183338/