[1]
Y. Chapovsky and A. A. Kalyuzhnyi, “Factorization of Conditional Expectations on Kac Algebras and Quantum Double Coset Hypergroups”, Ukr. Mat. Zhurn., vol. 55, no. 12, pp. 1669–1677, Dec. 2003, Accessed: Apr. 09, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4029