@inbook{Temme2010,
author = {Temme, N.},
title= {Exponential, logarithmic, sine, cosine integrals},
year = {2010},
editor = {Olver, F.},
editor = {Lozier, D.},
editor = {Boisvert, R.},
editor = {Clark, C.},
booktitle = {NIST handbook of mathematical functions},
address = {New York},
publisher = {Cambridge University Press},
pages = {150--156},
}