Yildirim, C.Y.2016-02-082016-02-0819960002-9939http://hdl.handle.net/11693/25744There is only one pair of non-real zeros of ζ″(s), and of ζ‴(s), in the left half-plane. The Riemann Hypothesis implies that ζ″(s) and ζ‴(s) have no zeros in the strip 0 ≤ ℛs < 1/2. © 1996 American Mathematical Society.EnglishArticle10.1090/S0002-9939-96-03755-01088-6826