PRUNESCU, Mihai. Concrete algebraic cohomology for the group (â„, +) or how to solve the functional equation ð‘“(ð‘¥+ð‘¦) - ð‘“(ð‘¥) - ð‘“(ð‘¦) = ð‘”(ð‘¥, ð‘¦). CUBO, A Mathematical Journal, [S. l.], v. 9, n. 3, p. 39–45, 2007. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/1586. Acesso em: 12 oct. 2025.