KUONEN, D. Numerical Integration in S-PLUS or R: A Survey. Journal of Statistical Software, [S. l.], v. 8, n. 13, p. 1–14, 2003. DOI: 10.18637/jss.v008.i13. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v008i13. Acesso em: 19 apr. 2024.