KARIM, M. Generalized Symmetric (f,g) – Biderivations on Lattices. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 19, p. 107–113, 2020. DOI: 10.24297/jam.v19i.8919. Disponível em: https://www.rajpub.com/index.php/jam/article/view/8919. Acesso em: 17 may. 2024.