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
Mona Anis, Hanan Almuashi, Mansour Mahmoud, “Complete Monotonicity of Functions Related to Trigamma and Tetragamma Functions”, Computer Modeling in Engineering & Sciences, 131, № 1, 2022, 263
Feng Qi, “An Explicit Formula for the Bell Numbers in Terms of the Lah and Stirling Numbers”, Mediterr. J. Math., 13, № 5, 2016, 2795
Feng Qi, Xiao-Jing Zhang, Wen-Hui Li, “The harmonic and geometric means are Bernstein functions”, Bol. Soc. Mat. Mex., 23, № 2, 2017, 713
Omelsaad Ahfaf, Ahmed Talat, Mansour Mahmoud, “Bounds and Completely Monotonicity of Some Functions Involving the Functions ψ′(l) and ψ″(l)”, Symmetry, 14, № 7, 2022, 1420
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, № 2, 2016, 282
Feng Qi, Bai-Ni Guo, “Integral representations and complete monotonicity of remainders of the Binet and Stirling formulas for the gamma function”, RACSAM, 111, № 2, 2017, 425
Feng Qi, Wen-Hui Li, “A LOGARITHMICALLY COMPLETELY MONOTONIC FUNCTION INVOLVING THE RATIO OF GAMMA FUNCTIONS”, jaac, 5, № 4, 2015, 626
Feng Qi, Dongkyu Lim, Bai-Ni Guo, “Explicit formulas and identities for the Bell polynomials and a sequence of polynomials applied to differential equations”, RACSAM, 113, № 1, 2019, 1
Feng Qi, Shao-Wen Yao, Bai-Ni Guo, “Arithmetic Means for a Class of Functions and the Modified Bessel Functions of the First Kind”, Mathematics, 7, № 1, 2019, 60