DHANYA, Rajendran; SHIVAJI, Ratnasingham; SON, Byungjae. A three solution theorem for a singular differential equation with nonlinear boundary conditions. Topological Methods in Nonlinear Analysis, [S. l.], v. 54, n. 2, p. 445–457, 2019. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2019.044. Acesso em: 8 jul. 2025.