@article{GDZPPN001185101,
title = {An approximation for the zeros of Bessel functions.},
journal = {Numerische Mathematik},
volume = {59},
year = {1991},
pages = {647-658},
zbl = {0760.65020},
url = {http://dml.mathdoc.fr/item/GDZPPN001185101}
}
Elbert, A. An approximation for the zeros of Bessel functions.. Numerische Mathematik, Tome 59 (1991) pp. 647-658. http://gdmltest.u-ga.fr/item/GDZPPN001185101/