Makarov, V.L. (2018) “Exact and approximate solutions of spectral problems for the Schrödinger operator on (−∞,∞) with polynomial potential”, Ukrains’kyi Matematychnyi Zhurnal, 70(1), pp. 79–93. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1543 (Accessed: 25 April 2025).