ISHIMURA , Ryuichi; JIN, Xiaoran. Infinite order differential equations in the space of entire functions of normal type with respect to a proximate order. North-Western European Journal of Mathematics, [S. l.], n. 5, p. 69–86, 2019. Disponível em: https://nwejm.univ-lille.fr/index.php/nwejm/article/view/38.. Acesso em: 18 oct. 2024.