Gehrmann, T., von Manteuffel, A., Sotnikov, V., & Yang, T. (2023). Complete $N_f^2$ contributions to four-loop pure-singlet splitting functions.
Chicago Style (17th ed.) CitationGehrmann, Thomas, Andreas von Manteuffel, Vasily Sotnikov, and Tong-Zhi Yang. Complete $N_f^2$ Contributions to Four-loop Pure-singlet Splitting Functions. 2023.
MLA (9th ed.) CitationGehrmann, Thomas, et al. Complete $N_f^2$ Contributions to Four-loop Pure-singlet Splitting Functions. 2023.
Warning: These citations may not always be 100% accurate.