RACCA, A. P.; CABRAL, E. A. The N-Integral. Journal of the Indonesian Mathematical Society, [S. l.], v. 26, n. 2, p. 242–257, 2020. DOI: 10.22342/jims.26.2.865.242-257. Disponível em: http://jims-a.org/index.php/jimsa/article/view/865. Acesso em: 2 may. 2024.