Prystavka Р. О. The density distribution function renewal process of three variables by means of the polynomial spline based on the b-splines. Proceedings of National Aviation University (archive), [S. l.], v. 17, n. 2, p. 18–22, 2003. DOI: 10.18372/2306-1472.2.11904. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/11904. Acesso em: 21 apr. 2026.