Khôi, Lê Hải, Đặng Xuân Hồng, and Nguyễn Lương Đống. “Some Problems about Archimedean Triangular Norms”. Journal of Computer Science and Cybernetics 20, no. 4 (August 1, 2012): 373–383. Accessed November 4, 2025. https://jcc.vast.vn/jcc/article/view/1906.