@article{NUMA_1990__58_5_133523,
     author = {H.J.J. te Riele},
     title = {A new lower bound for the de {Bruijn-Newman} constant.},
     journal = {Numerische Mathematik},
     pages = {661--668},
     publisher = {mathdoc},
     volume = {58},
     number = {5},
     year = {1990},
     zbl = {0704.11058},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1990__58_5_133523/}
}