AHMAD, Bashir; NTOUYAS, K.; ALSAEDI, Ahmed. Existence theory for nonlocal boundary value problems involving mixed fractional derivatives. Nonlinear Analysis: Modelling and Control, [S. l.], v. 24, n. 6, p. 937–957, 2019. DOI: 10.15388/NA.2019.6.6. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/14845.. Acesso em: 6 may. 2024.