@article{1183513319,
author = {Pollard, Harry},
title = {The completely monotonic character of the
Mittag-Leffler function $E\_a \left( { - x} \right)$},
journal = {Bull. Amer. Math. Soc.},
volume = {54},
number = {12},
year = {1948},
pages = { 1115-1116},
language = {en},
url = {http://dml.mathdoc.fr/item/1183513319}
}
Pollard, Harry. The completely monotonic character of the
Mittag-Leffler function $E_a \left( { - x} \right)$. Bull. Amer. Math. Soc., Tome 54 (1948) no. 12, pp. 1115-1116. http://gdmltest.u-ga.fr/item/1183513319/