@article{GDZPPN001172824,
title = {Geometrie Convergence to e-z by Rational Functions with Real Poles.},
journal = {Numerische Mathematik},
volume = {25},
year = {1975},
pages = {307-322},
zbl = {0307.65025},
url = {http://dml.mathdoc.fr/item/GDZPPN001172824}
}
Schönhage, A.; Saff, E.B.; Varga, R.S. Geometrie Convergence to e-z by Rational Functions with Real Poles.. Numerische Mathematik, Tome 25 (1975) pp. 307-322. http://gdmltest.u-ga.fr/item/GDZPPN001172824/