ÖZTÜRK, M. ali; YAZARLI, H. Homomorphism theorems in subtraction algebra. Tamkang Journal of Mathematics, [S. l.], v. 44, n. 4, p. 365–375, 2013. DOI: 10.5556/j.tkjm.44.2013.978. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/978. Acesso em: 3 oct. 2022.