@article{GDZPPN001184342,
title = {Two preconditioners based on the multi-level splitting of finite element spaces.},
journal = {Numerische Mathematik},
volume = {58},
year = {1990},
pages = {163-184},
zbl = {0708.65103},
url = {http://dml.mathdoc.fr/item/GDZPPN001184342}
}
Yserentant, Harry. Two preconditioners based on the multi-level splitting of finite element spaces.. Numerische Mathematik, Tome 58 (1990) pp. 163-184. http://gdmltest.u-ga.fr/item/GDZPPN001184342/