LIGUN, A. A.; SHUMEIKO, A. A. On asymptotically optimal weight quadrature formulas on classes of differentiable functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 2, p. 234–248, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4412. Acesso em: 5 dec. 2025.