HOLM, M. Sum and Difference Compositions in Discrete Fractional Calculus. CUBO, A Mathematical Journal, [S. l.], v. 13, n. 3, p. 153–184, 2011. DOI: 10.4067/S0719-06462011000300009. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1367. Acesso em: 17 may. 2024.