Nisheva-Pavlova, Maria. “KAM - A KNOWLEDGE-BASED TOOL FOR DEVELOPING COMPUTER ALGEBRA SYSTEMS”. Ann. Sofia Univ. Fac. Math. and Inf. 90 (December 12, 1998): 165–176. Accessed November 21, 2024. https://stipendii.uni-sofia.bg/index.php/fmi/article/view/294.