RICCERI, B. A STRUCTURE THEOREM ON NON-HOMOGENEOUS LINEAR EQUATIONS IN HILBERT SPACES. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), [S. l.], v. 2, n. 1, p. 191–196, 2011. Disponível em: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2627. Acesso em: 27 aug. 2026.