SETHI, P. L.; BANERJI, P. K. Fractional Integration and Dual Integral Equations. The Journal of the Indian Mathematical Society, [S. l.], v. 38, n. 1-4, p. 359–363, 1974. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/16712. Acesso em: 2 may. 2024.