@article{Bouwkamp:1947:OSW,
author = {Bouwkamp, C. J.},
title = {On spheroidal wave functions of order zero},
journal = {J. Math. Phys. Mass. Inst. Tech.},
fjournal = {Journal of Mathematics and Physics},
volume = {26},
year = {1947},
pages = {79–92},
issn = {0097-1421},
mrclass = {33.0X},
mrnumber = {MR0022948 (9,283b)},
mrreviewer = {M. J. O. Strutt},
zblno = {0033.12104}}