- Feng Qi, Bai-Ni Guo, “The reciprocal of the weighted geometric mean of many positive numbers is a Stieltjes function”, Quaestiones Mathematicae, 41, № 5, 2018, 653
- Bai-Ni Guo, Feng Qi, “Explicit formulae for computing Euler polynomials in terms of Stirling numbers of the second kind”, Journal of Computational and Applied Mathematics, 272, 2014, 251
- 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
- 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, Dongkyu Lim, “Integral representations of bivariate complex geometric mean and their applications”, Journal of Computational and Applied Mathematics, 330, 2018, 41
- Feng Qi, “Completely monotonic degree of a function involving trigamma and tetragamma functions”, AIMS Mathematics, 5, № 4, 2020, 3391