@article{GDZPPN001163914,
title = {Multi-line" iterative methods for elliptic difference equations and fundamental frequencies.},
journal = {Numerische Mathematik},
volume = {3},
year = {1961},
pages = {305-319},
zbl = {0099.11004},
url = {http://dml.mathdoc.fr/item/GDZPPN001163914}
}
PARTER, S.V. Multi-line" iterative methods for elliptic difference equations and fundamental frequencies.. Numerische Mathematik, Tome 3 (1961) pp. 305-319. http://gdmltest.u-ga.fr/item/GDZPPN001163914/