@article{GDZPPN001167014,
title = {On the Uniform Positivity of a Certain Finite Difference Matrix.},
journal = {Numerische Mathematik},
volume = {11},
year = {1968},
pages = {46-52},
zbl = {0155.47001},
url = {http://dml.mathdoc.fr/item/GDZPPN001167014}
}
HELLER, S. On the Uniform Positivity of a Certain Finite Difference Matrix.. Numerische Mathematik, Tome 11 (1968) pp. 46-52. http://gdmltest.u-ga.fr/item/GDZPPN001167014/