@article{GDZPPN001163477, title = {The Zeros of the Hankel Function as a Function of its Order.}, journal = {Numerische Mathematik}, volume = {2}, year = {1960}, pages = {228-244}, zbl = {0095.05303}, url = {http://dml.mathdoc.fr/item/GDZPPN001163477} }
MAGNUS, W.; KOTIN, L. The Zeros of the Hankel Function as a Function of its Order.. Numerische Mathematik, Tome 2 (1960) pp. 228-244. http://gdmltest.u-ga.fr/item/GDZPPN001163477/