BELYAEV, A. The factorization of the flow defined by the Euler-Poisson’s equations. Methods of Functional Analysis and Topology, [S. l.], v. 7, n. 4, p. 18–30, 2001. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/163. Acesso em: 18 dec. 2025.