AL-SHAALAN, Khalid H.; KAMAL, Ahmed A. M. Nonexistence of nonzero derivations on some classes of zero-symmetric 3-prime near-rings. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 3, p. 420–424, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2144. Acesso em: 5 dec. 2025.