@article{Ikebe:1975:TZR,
author = {Ikebe, Yasuhiko},
title = {The zeros of regular {C}oulomb wave functions and of their
derivatives},
journal = {Math. Comp.},
fjournal = {Mathematics of Computation},
volume = {29},
year = {1975},
pages = {878–887},
issn = {0025-5718},
mrclass = {65D20},
mrnumber = {MR0378361 (51 \#14529)},
doi = {10.2307/2005300},
zblno = {0308.65015}}