ZHURAVLEV, V. P.; FOMIN, N. P.; ZABRODSKIY, P. N. Conditions of solvability and submission of solutions of equations with operator matrix in banach spaces. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 4, p. 471–485, 2023. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/305. Acesso em: 7 apr. 2025.