“ON THE EXISTENCE OF A SOLUTION TO THE DUAL PARTIAL DIFFERENTIAL EQUATION OF DYNAMIC PROGRAMMING FOR GENERAL PROBLEMS OF BOLZA AND LAGRANGE”. Al-Nahrain Journal of Science 11, no. 3 (December 1, 2008): 143–155. Accessed April 28, 2024. https://anjs.edu.iq/index.php/anjs/article/view/1323.