Cong Tam, Nguyen, and Nguyen Hoi Nghia. “ON THE REGULARIZATION OF AN INVERSE PROBLEM CONCERNED TO PROBLEM OF CHEMICAL PENETRATION”. Science and Technology Development Journal 4, no. 8&9 (September 30, 2001): 72-79. Accessed July 22, 2024. https://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3517.