PRASAD, K. R.; KHUDDUSH, M.; VIDYASAGAR, K. V. Infinitely many positive solutions for an iterative system of singular BVP on time scales. CUBO, A Mathematical Journal, [S. l.], v. 24, n. 1, p. 21–35, 2022. DOI: 10.4067/S0719-06462022000100021. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/2952. Acesso em: 29 mar. 2024.