[1]
Y. V. Klymenko and V. L. Makarov, “Application of the FD-method to the solution of the Sturm-Liouville problem with coefficients of special form”, Ukr. Mat. Zhurn., vol. 59, no. 8, pp. 1140–1147, Aug. 2007, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3377