DJEBALI, Smaïl; SAIFI, Ouiza. Upper and lower solutions for φ−Laplacian third-order BVPs on the half-Line. CUBO, A Mathematical Journal, [S. l.], v. 16, n. 1, p. 105–116, 2014. DOI: 10.4067/S0719-06462014000100010. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1292. Acesso em: 7 dec. 2025.