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), pp. 137–139. doi: 10.5556/j.tkjm.56.2025.5340.