@article{GDZPPN002180030,
title = {Asymptotic Expansions of Prolate Spheriodial Wave Functions and their Characteristic Numbers.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {212},
year = {1963},
pages = {26-48},
zbl = {0113.28002},
url = {http://dml.mathdoc.fr/item/GDZPPN002180030}
}
Müller, Harald J.W. Asymptotic Expansions of Prolate Spheriodial Wave Functions and their Characteristic Numbers.. Journal für die reine und angewandte Mathematik, Tome 212 (1963) pp. 26-48. http://gdmltest.u-ga.fr/item/GDZPPN002180030/