@article{105342,
author = {Karel Najzar},
title = {Error bounds for eigenvalues and eigenfunctions of some ordinary differential operators by the method of least squares},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {012},
year = {1971},
pages = {235-248},
zbl = {0216.49001},
mrnumber = {0290580},
language = {en},
url = {http://dml.mathdoc.fr/item/105342}
}
Najzar, Karel. Error bounds for eigenvalues and eigenfunctions of some ordinary differential operators by the method of least squares. Commentationes Mathematicae Universitatis Carolinae, Tome 012 (1971) pp. 235-248. http://gdmltest.u-ga.fr/item/105342/
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