LIMPANUKORN, N. On a novel n-tuple variable order q-fractional derivative with respect to ψ function: hybrid difference equation and the well-posedness of the solution. Journal of Mathematical Analysis and Modeling, [S. l.], v. 7, n. 1, 2026. Disponível em: https://www.sabapub.com/index.php/jmam/article/view/1887. Acesso em: 19 apr. 2026.