@article{GDZPPN001172689,
title = {Regular Splittings and the Discrete Neumann Problem.},
journal = {Numerische Mathematik},
volume = {25},
year = {1975},
pages = {153-162},
zbl = {0319.65028},
url = {http://dml.mathdoc.fr/item/GDZPPN001172689}
}
Plemmons, R.J. Regular Splittings and the Discrete Neumann Problem.. Numerische Mathematik, Tome 25 (1975) pp. 153-162. http://gdmltest.u-ga.fr/item/GDZPPN001172689/