Nazardonyavi S, Yakubovich SB. Another proof of Spira's inequality and its application to the Riemann hypothesis. Journal of Mathematical Inequalities. 2013;7(2):167-174.Edit

Nazardonyavi S, Yakubovich SB. Another proof of Spira's inequality and its application to the Riemann hypothesis. J. Math. Inequal.. 2013;7:167-174.Edit

[2012-18] Nazardonyavi S. A Complete Proof of the Twin Prime Conjecture .Edit

[2013-18] Nazardonyavi S, Yakubovich SB. Delicacy of the Riemann hypothesis and certain subsequences of superabundant numbers .Edit

[2011-12] Yakubovich SB, Nazardonyavi S. Extremely abundant numbers and the Riemann hypothesis .Edit

Nazardonyavi S, Yakubovich SB. Extremely Abundant Numbers and the Riemann Hypothesis. Journal of Integer Sequences. 2014;17(2):Article 14.2.8.Edit

[2012-4] Nazardonyavi S, Yakubovich SB. On an inequality for the Riemann zeta-function in the critical strip .Edit

[2013-17] Nazardonyavi S, Yakubovich SB. Sharper estimates for Chebyshev's functions $\vartheta$ and $ψ$ .Edit

[2012-41] Nazardonyavi S. Some history about Twin Prime Conjecture .Edit

[2012-42] Nazardonyavi S, Yakubovich SB. Superabundant numbers, their subsequences and the Riemann hypothesis .Edit