@article{1183415832,
author = {B\^ocher, Maxime},
title = {An elementary proof that Bessel's functions of the zeroth order have an infinite number of real roots},
journal = {Bull. Amer. Math. Soc.},
volume = {6},
number = {3},
year = {1899},
pages = { 385-388},
language = {en},
url = {http://dml.mathdoc.fr/item/1183415832}
}
Bôcher, Maxime. An elementary proof that Bessel's functions of the zeroth order have an infinite number of real roots. Bull. Amer. Math. Soc., Tome 6 (1899) no. 3, pp. 385-388. http://gdmltest.u-ga.fr/item/1183415832/