@article{GDZPPN001184873,
title = {Accurate computation of higher Sturm-Liouville eigenvalues.},
journal = {Numerische Mathematik},
volume = {59},
year = {1991},
pages = {243-254},
zbl = {0716.65079},
url = {http://dml.mathdoc.fr/item/GDZPPN001184873}
}
Vanden Berghe, G.; De Meyer, H. Accurate computation of higher Sturm-Liouville eigenvalues.. Numerische Mathematik, Tome 59 (1991) pp. 243-254. http://gdmltest.u-ga.fr/item/GDZPPN001184873/