Team, S. “A Note on Homomorphisms and Anti-Homomorphisms on ∗-Ring: Nadeem Ur Rehman, Abu Zaid Ansari, Claus Haetinger”. Thai Journal of Mathematics, vol. 11, no. 3, Dec. 2013, pp. 741-50, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/412.