BABENKO, V. F. On optimization of weight quadrature formulas. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 47, n. 8, p. 1011–1021, 1995. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5498. Acesso em: 5 dec. 2025.