@article{NUMA_1975__25_132384,
     author = {A. Sch\"onhage and E.B. Saff and R.S. Varga},
     title = {Geometrie {Convergence} to e-z by {Rational} {Functions} with {Real} {Poles.}},
     journal = {Numerische Mathematik},
     pages = {307--322},
     publisher = {mathdoc},
     volume = {25},
     year = {1975},
     zbl = {0307.65025},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1975__25_132384/}
}