Feng Qi, Cristinel Mortici, “Some inequalities for the trigamma function in terms of the digamma function”, Applied Mathematics and Computation, 271, 2015, 502
Feng Qi, Qiu-Ming Luo, “Bounds for the ratio of two gamma functions: from Wendel’s asymptotic relation to Elezović-Giordano-Pečarić’s theorem”, J Inequal Appl, 2013, no. 1, 2013, 542
Feng Qi, Xiao-Jing Zhang, “COMPLETE MONOTONICITY OF A DIFFERENCE BETWEEN THE EXPONENTIAL AND TRIGAMMA FUNCTIONS”, The Pure and Applied Mathematics, 21, no. 2, 2014, 141
Zhen-Hang Yang, Yu-Ming Chu, Xiao-Jing Tao, “A Double Inequality for the Trigamma Function and Its Applications”, Abstract and Applied Analysis, 2014, 2014, 1
Necdet Batir, “Monotonicity properties of q-digamma and q-trigamma functions”, Journal of Approximation Theory, 192, 2015, 336
Feng Qi, Ravi P. Agarwal, “On complete monotonicity for several classes of functions related to ratios of gamma functions”, J Inequal Appl, 2019, no. 1, 2019, 36
Feng Qi, Xiao-Ting Shi, Fang-Fang Liu, “Several identities involving the falling and rising factorials and the Cauchy, Lah, and Stirling numbers”, Acta Universitatis Sapientiae, Mathematica, 8, no. 2, 2016, 282
Feng Qi, “An Explicit Formula for the Bell Numbers in Terms of the Lah and Stirling Numbers”, Mediterr. J. Math., 13, no. 5, 2016, 2795
Jun-Qing Wang, Bai-Ni Guo, Feng Qi, “Generalizations and applications of Young’s integral inequality by higher order derivatives”, J Inequal Appl, 2019, no. 1, 2019, 243
Feng Qi, “Completely monotonic degree of a function involving trigamma and tetragamma functions”, AIMS Mathematics, 5, no. 4, 2020, 3391