BABENKO, V. F. On approximate calculation of scalar products . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 1, p. 15–21, 1987. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9047. Acesso em: 5 dec. 2025.