VÄÄNÄNEN, K. On the algebraic independence of the values of some E-functions. Annales Fennici Mathematici, [S. l.], v. 1, n. 1, p. 93–109, 1975. DOI: 10.5186/aasfm.1975.0127. Disponível em: https://afm.journal.fi/article/view/134246. Acesso em: 25 nov. 2024.