Thoi Trung, Nguyen, Ngo Thanh Phong, and Nguyen Phu Vinh. “NUMERICAL SOLVING THE ONE-DIMENSION ELASTIC-PLASTIC PROBLEM BY "RETURN MAPPING” ALGORITHM”. Science and Technology Development Journal 7, no. 1 (January 31, 2004): 5-14. Accessed December 22, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3146.