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, № 1, 2022, 125868
Feng Qi, Bai-Ni Guo, “Integral Representations of the Catalan Numbers and Their Applications”, Mathematics, 5, № 3, 2017, 40
Feng Qi, Bai-Ni Guo, “An inequality involving the gamma and digamma functions”, Journal of Applied Analysis, 22, № 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, № 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, № 2, 2023, 126649