Note on the computation of the differences of the ${\text{Si}}\left( x \right),{\text{Ci}}\left( x \right),{\text{Ei}}\left( x \right)$ and $ - {\text{Ei}}\left( { - x} \right)$ functions
@article{1183502565,
author = {Abramowitz, Milton},
title = {Note on the computation of the differences of the ${\text{Si}}\left( x \right),{\text{Ci}}\left( x \right),{\text{Ei}}\left( x \right)$ and $ - {\text{Ei}}\left( { - x} \right)$ functions},
journal = {Bull. Amer. Math. Soc.},
volume = {46},
number = {11},
year = {1940},
pages = { 332-333},
language = {en},
url = {http://dml.mathdoc.fr/item/1183502565}
}
Abramowitz, Milton. Note on the computation of the differences of the ${\text{Si}}\left( x \right),{\text{Ci}}\left( x \right),{\text{Ei}}\left( x \right)$ and $ - {\text{Ei}}\left( { - x} \right)$ functions. Bull. Amer. Math. Soc., Tome 46 (1940) no. 11, pp. 332-333. http://gdmltest.u-ga.fr/item/1183502565/