THAIPRAYOON, C.; TARIBOON, J.; KHUMSUP, P. Periodic Boundary Value Problems for the Second Order Impulsive Differential Equations. Communications in Mathematics and Applications, [S. l.], v. 1, n. 3, p. 153–164, 2010. DOI: 10.26713/cma.v1i3.123. Disponível em: http://www.rgnpublications.com/journals/index.php/cma/article/view/123. Acesso em: 28 apr. 2024.