KOSTADINOV, S.; SCHNEIDER, K.; VENKOVA, M. EXISTENCE OF INTEGRAL MANIFOLDS FOR IMPULSIVE DIFFERENTIAL EQUATION WITH SMALL PARAMETER. Tamkang Journal of Mathematics, [S. l.], v. 29, n. 4, p. 299–308, 1998. DOI: 10.5556/j.tkjm.29.1998.4259. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4259. Acesso em: 21 nov. 2024.