WANG, Fang; LIU, Lishan; KONG, Debin; WU, Yonghong. Existence and uniqueness of positive solutions for a class of nonlinear fractional differential equations with mixed-type boundary value conditions. Nonlinear Analysis: Modelling and Control, [S. l.], v. 24, n. 1, p. 73–94, 2018. DOI: 10.15388/NA.2019.1.5. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/12919.. Acesso em: 6 may. 2024.