Yang, Yongwei, Yongzhao Wang, and Qiaoling Wang. “BL-Algebras With Pseudo MV-Valuations”. IJRDO -JOURNAL OF MATHEMATICS 4, no. 3 (March 31, 2018): 01-08. Accessed May 8, 2024. https://ijrdo.org/index.php/m/article/view/1946.