Feng Qi, “Completely monotonic degree of a function involving trigamma and tetragamma functions”, AIMS Mathematics, 5, № 4, 2020, 3391
Bai-Ni Guo, Feng Qi, “On the degree of the weighted geometric mean as a complete Bernstein function”, Afr. Mat., 26, № 7-8, 2015, 1253
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
Ravi Prakash Agarwal, Erdal Karapinar, Marko Kostić, Jian Cao, Wei-Shih Du, “A Brief Overview and Survey of the Scientific Work by Feng Qi”, Axioms, 11, № 8, 2022, 385
Feng Qi, Bai-Ni Guo, Lishan Liu, “Logarithmically complete monotonicity of Catalan-Qi function related to Catalan numbers”, Cogent Mathematics, 3, № 1, 2016, 1179379
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, “The reciprocal of the weighted geometric mean is a Stieltjes function”, Bol. Soc. Mat. Mex., 24, № 1, 2018, 181
Feng Qi, Wen-Hui Li, Shu-Bin Yu, Xin-Yu Du, Bai-Ni Guo, “A ratio of finitely many gamma functions and its properties with applications”, RACSAM, 115, № 2, 2021, 39
Feng Qi, Wen-Hui Li, “A LOGARITHMICALLY COMPLETELY MONOTONIC FUNCTION INVOLVING THE RATIO OF GAMMA FUNCTIONS”, jaac, 5, № 4, 2015, 626