Kuznetsova, M. and Bondarenko, N. 2025. Addendum to: Solving an inverse problem for the Sturm-Liouville operator with singular potential by Yurko’s method (Tamkang J. Math. 52 (2021), no. 1, 125-154). Tamkang Journal of Mathematics. 56, 2 (May 2025), 137–139. DOI:https://doi.org/10.5556/j.tkjm.56.2025.5340.