Thoi Trung, N., Thanh Phong, N., & Phu Vinh, N. (2004). NUMERICAL SOLVING THE ONE-DIMENSION ELASTIC-PLASTIC PROBLEM BY "RETURN MAPPING” ALGORITHM. Science and Technology Development Journal, 7(1), 5-14. https://doi.org/https://doi.org/10.32508/stdj.v7i1.3146