Pivovarchik, V.N. and Boyko, O.P. (2008) “Inverse problem for Stieltjes string damped at one end”, Methods of Functional Analysis and Topology, 14(1), pp. 10–19. Available at: https://zen.imath.kiev.ua/index.php/mfat/article/view/366 (Accessed: 17 December 2025).