A General Two-Level Subspace Method for Nonlinear Optimization. Journal of Computational Mathematics, [S. l.], v. 36, n. 6, p. 881–902, 2021. DOI: 10.4208/jcm.1706-m2016-0721. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/12346. Acesso em: 6 dec. 2025.