@article{Gautschi:1999:NRC,
author = {Gautschi, Walter},
title = {A note on the recursive calculation of incomplete gamma
functions},
journal = {ACM Trans. Math. Software},
fjournal = {Association for Computing Machinery. Transactions on
Mathematical Software},
volume = {25},
year = {1999},
number = {1},
pages = {101–107},
issn = {0098-3500},
coden = {ACMSCU},
mrclass = {65D20},
mrnumber = {MR1697463},
doi = {10.1145/305658.305717},
zblno = {0962.65018}}