BONDARENKO, L. N.; ZHUK, P. F. Exact estima tes for the rate of convergence of the s-step method of steepest descent in eigenvalue problems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 49, n. 12, p. 1694–1699, 1997. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5175. Acesso em: 14 apr. 2025.