YILDIRIM, OMER, and Sule Ayar Özbal. “ON SYMMETRIC BI-DERIVATIONS OF KU-ALGEBRAS”. JOURNAL OF ADVANCES IN MATHEMATICS 11, no. 9 (December 31, 2015): 5609–5616. Accessed November 22, 2024. https://rajpub.com/index.php/jam/article/view/813.