Higher-Order Spectral Shift Functions and Associated Trace Formulas for One-Dimensional Schrödinger Operators. J. Nep. Phys. Soc. [Internet]. 2025 Dec. 18 [cited 2026 Jul. 15];11(1):18-21. Available from: https://www.nepjol.info/index.php/JNPhysSoc/article/view/87419