1.
Makarov VL. Exact and approximate solutions of spectral problems for the Schrödinger operator on (−∞,∞) with polynomial potential. Ukr. Mat. Zhurn. [Internet]. 2018 Jan. 25 [cited 2025 Apr. 23];70(1):79-93. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1543