PHILLIPS, K. R Functions to Symbolically Compute the Central Moments of the Multivariate Normal Distribution. Journal of Statistical Software, Code Snippets, [S. l.], v. 33, n. 1, p. 1–14, 2010. DOI: 10.18637/jss.v033.c01. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v033c01. Acesso em: 25 apr. 2024.