@article{GDZPPN002292092,
title = {A Convergent Asymptotic Expansion for Mill's Ratio and the Normal Probability Integral in Terms of Rational Functions.},
journal = {Mathematische Annalen},
volume = {152},
year = {1963},
pages = {355-364},
zbl = {0116.11503},
url = {http://dml.mathdoc.fr/item/GDZPPN002292092}
}
RUBEN, H. A Convergent Asymptotic Expansion for Mill's Ratio and the Normal Probability Integral in Terms of Rational Functions.. Mathematische Annalen, Tome 152 (1963) pp. 355-364. http://gdmltest.u-ga.fr/item/GDZPPN002292092/