- Feng Qi, “Derivatives of tangent function and tangent numbers”, Applied Mathematics and Computation, 268, 2015, 844
- Taekyun Kim, Dae San Kim, Jong-Jin Seo, “Fully degenerate poly-Bernoulli numbers and polynomials”, Open Mathematics, 14, № 1, 2016, 545
- Feng Qi, Wen-Hui Li, “A LOGARITHMICALLY COMPLETELY MONOTONIC FUNCTION INVOLVING THE RATIO OF GAMMA FUNCTIONS”, jaac, 5, № 4, 2015, 626
- Dae San Kim, Taekyun Kim, Toufik Mansour, Dmitry V Dolgy, “On Poly-Bernoulli polynomials of the second kind with umbral calculus viewpoint”, Adv Differ Equ, 2015, № 1, 2015, 27
- Iaroslav V. Blagouchine, “Expansions of generalized Euler's constants into the series of polynomials inπ−2and into the formal enveloping series with rational coefficients only”, Journal of Number Theory, 158, 2016, 365
- Feng Qi, Muhammet Cihat Dağlı, Dongkyu Lim, “Several explicit formulas for (degenerate) Narumi and Cauchy polynomials and numbers”, Open Mathematics, 19, № 1, 2021, 833
- Feng Qi, Dongkyu Lim, “Integral representations of bivariate complex geometric mean and their applications”, Journal of Computational and Applied Mathematics, 330, 2018, 41
- Iaroslav V. Blagouchine, “Two series expansions for the logarithm of the gamma function involving Stirling numbers and containing only rational coefficients for certain arguments related to π−1”, Journal of Mathematical Analysis and Applications, 442, № 2, 2016, 404
- 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
- Iaroslav V. Blagouchine, “Another Alternating Analogue of Euler’s Constant”, The American Mathematical Monthly, 129, № 1, 2022, 24