BeltraminelliS., MerliniD., and SekatskiiS. K. “On Equalities Involving Integrals of the Logarithm of the Riemann ζ-Function and Equivalent to the Riemann Hypothesis”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 64, no. 2, Feb. 2012, pp. 218-2, https://umj.imath.kiev.ua/index.php/umj/article/view/2568.