@article{1102992691,
author = {Banks, Dallas O.},
title = {Lower bounds for the eigenvalues of a vibrating string whose density satisfies a Lipschitz condition.},
journal = {Pacific J. Math.},
volume = {23},
number = {3},
year = {1967},
pages = { 393-410},
language = {en},
url = {http://dml.mathdoc.fr/item/1102992691}
}
Banks, Dallas O. Lower bounds for the eigenvalues of a vibrating string whose density satisfies a Lipschitz condition.. Pacific J. Math., Tome 23 (1967) no. 3, pp. 393-410. http://gdmltest.u-ga.fr/item/1102992691/