GORBACHUK, V. I.; GORBACHUK, M. L. On well-posed solvability in some classes of entire functions of the Cauchy problem for differential equations in a Banach space. Methods of Functional Analysis and Topology, [S. l.], v. 11, n. 2, p. 113–125, 2005. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/272. Acesso em: 16 dec. 2025.