Zhang, X., Feng, Z., Wu, W., Hossain, M., & MacCaull, W. (2018). On the Satisfiability of Quasi-Classical Description Logics. Computing and Informatics, 36(6), 1415–1446. Retrieved from http://147.213.75.17/ojs/index.php/cai/article/view/2017_6_1415