@article{GDZPPN001167863,
title = {Perturbation Theory of Difference Schemes.},
journal = {Numerische Mathematik},
volume = {11},
year = {1968},
pages = {454-458},
zbl = {0179.22303},
url = {http://dml.mathdoc.fr/item/GDZPPN001167863}
}
SUNOUCHI, H. Perturbation Theory of Difference Schemes.. Numerische Mathematik, Tome 11 (1968) pp. 454-458. http://gdmltest.u-ga.fr/item/GDZPPN001167863/