Pen’kov, F. M., and P. M. Krassovitskiy. “Asymptotic Behavior of Numerical Solutions of the Schrodinger Equation”. Physical Sciences and Technology 6, no. 1-2 (July 30, 2019): 25–32. Accessed April 26, 2025. https://phst.kaznu.kz/index.php/journal/article/view/165.