LÜ, F. On algebraic differential equations of gamma function and Riemann zeta function. Annales Fennici Mathematici, [S. l.], v. 44, n. 2, p. 1031–1040, 2019. DOI: 10.5186/aasfm.2019.4455. Disponível em: https://afm.journal.fi/article/view/135835. Acesso em: 22 nov. 2024.