FENG, Haixing; ZHAI, Chengbo. Existence and uniqueness of positive solutions for a class of fractional differential equation with integral boundary conditions. Nonlinear Analysis: Modelling and Control, [S. l.], v. 22, n. 2, p. 160–172, 2017. DOI: 10.15388/NA.2017.2.2. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/13398.. Acesso em: 2 may. 2024.