INFANTE, Gennaro; PIETRAMALA, Paolamaria. Nonnegative solutions for a system of impulsive BVPs with nonlinear nonlocal BCs. Nonlinear Analysis: Modelling and Control, [S. l.], v. 19, n. 3, p. 413–431, 2014. DOI: 10.15388/NA.2014.3.7. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/13644.. Acesso em: 5 jul. 2024.