A new Lehmer pair of zeros and a new lower bound for the de Bruijn-Newman constant Λ . Csordas, G.; Odlyzko, A.M.; Smith, W.; Varga, R.S. — 1993 ETNA. Electronic Transactions on Numerical Analysis [electronic only]
A Lower Bound for the de Bruijn-Newman Constant ... . R.S. Varga; G. Csordas; T.S. Norfolk Numerische Mathematik