HELSKE, J. KFAS: Exponential Family State Space Models in R. Journal of Statistical Software, [S. l.], v. 78, n. 10, p. 1–39, 2017. DOI: 10.18637/jss.v078.i10. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v078i10. Acesso em: 24 apr. 2024.