Feng Qi, Cristinel Mortici, “Some inequalities for the trigamma function in terms of the digamma function”, Applied Mathematics and Computation, 271, 2015, 502
Zhen-Hang Yang, Jing-Feng Tian, “A new property of the Wallis power function”, Proc. Amer. Math. Soc., 2024
Jing-Feng Tian, Zhenhang Yang, “Logarithmically complete monotonicity of ratios of q-gamma functions”, Journal of Mathematical Analysis and Applications, 508, no. 1, 2022, 125868
Feng Qi, Bai-Ni Guo, “Integral Representations of the Catalan Numbers and Their Applications”, Mathematics, 5, no. 3, 2017, 40
Feng Qi, Bai-Ni Guo, “An inequality involving the gamma and digamma functions”, Journal of Applied Analysis, 22, no. 1, 2016, 49
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
Zhenhang Yang, Jing-Feng Tian, “Complete monotonicity of the remainder of the asymptotic series for the ratio of two gamma functions”, Journal of Mathematical Analysis and Applications, 517, no. 2, 2023, 126649