1.
Goryunov AS. Convergence and Approximation of the Sturm–Liouville Operators with Potentials-Distributions. Ukr. Mat. Zhurn. [Internet]. 2015May25 [cited 2024Apr.18];67(5):602–610. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2008