The Newton Polyhedron, Spaces of Differentiable Functions and General Theory of Differential Equations. Armenian Journal of Mathematics, [S. l.], v. 9, n. 2, p. 102–145, 2017. Disponível em: http://test.armjmath.sci.am/index.php/ajm/article/view/132. Acesso em: 15 nov. 2024.