WANG, H.; YANG, S. The isomorphisms and the center of weak quantum algebras $\omega sl_q(2) $. Tamkang Journal of Mathematics, [S. l.], v. 36, n. 4, p. 365-376, 2005. DOI: 10.5556/j.tkjm.36.2005.109. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/109. Acesso em: 29 may. 2022.