DANG, Thi Hai Ha; NGUEN, Byong. Tikhonov regularization method for a system of equilibrium problems in Banach spaces. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 8, p. 1098–1105, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3083. Acesso em: 6 dec. 2025.