ガウス＝クズミン＝ヴィルズィング作用素
↑ Luis Báez-Duarte, "A New Necessary and Sufficient Condition for the Riemann Hypothesis" (2003) ArXiv math.NT/0307215
↑ Luis Báez-Duarte, "A sequential Riesz-like criterion for the Riemann hypothesis", Internation Journal of Mathematics and Mathematical Sciences, 21, pp. 3527–3537 (2005)
↑ Philippe Flajolet and Linas Vepstas, "On differences of zeta values", J. Comput. Appl. Math. 220, No. 1-2, 58-73 (2008).