VOISEI, Mircea D. The sum theorem for maximal monotone operators in reflexive Banach spaces revisited. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 66, n. 1, p. 123–126, 2021. DOI: 10.24193/subbmath.2021.1.11. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1267. Acesso em: 5 feb. 2025.