Hryniv R. Analyticity and uniform stability in the inverse spectral problem for impedance Sturm-Liouville operators. Carpathian Math. Publ. [Internet]. 2010 Jun. 30 [cited 2024 Nov. 22];2(1):35-58. Available from: https://vps.pnu.edu.ua/index.php/cmp/article/view/3991