@article{NUMA_1959__1_131421,
     author = {E. KREYSZIG and J. TODD},
     title = {The radius of univalence of the error function.},
     journal = {Numerische Mathematik},
     pages = {78--89},
     publisher = {mathdoc},
     volume = {1},
     year = {1959},
     zbl = {0086.06203},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1959__1_131421/}
}