VOLCHKOV, V. V. Equivalence of Differential Operators in Spaces of Analytic Functions over the Tate Field. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 12, p. 1603–1609, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4564. Acesso em: 5 dec. 2025.