1. D. Z. Arov, “Realization of a canonical system with dissipative boundary condition at one end of a segment by the coefficient of dynamical ductility,” Sib. Mat. Zh., 16, No. 3, 440–465 (1975).
2. O. Boyko and V. Pivovarchik, “Inverse problem for Stieltjes string damped at one end,” Meth. Funct Anal. Topol., 14, No. 1, 10–19 (2008).
3. O. Boyko and V. Pivovarchik, “Inverse spectral problem for a star graph of Stieltjes strings,” Meth. Funct. Anal. Topol., 14, No. 2, 159–167 (2008).
4. O. Boyko and V. Pivovarchik, “The inverse three-spectral problem for a Stieltjes string and the inverse problem with one-dimensional damping,” Inv. Probl., 24, No. 1, 015019 (2008).
5. M. S. Derevyagin, “Borg-type theorems for generalized Jacobi matrices and trace formulas,” Meth. Funct. Anal. Topol., 12, No. 3, 220–233 (2006).