Yildirim, C.Y.2016-02-082016-02-08200013000098http://hdl.handle.net/11693/24934There 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. 19991 Mathematics Subject Classification. Primary 11M26. © TÜBİTAK.EnglishArticle