1.
Fedoseev A. Inverse problems for differential equations on the half-line having a singularity in an interior point. Tamkang J. Math. [Internet]. 2011 Aug. 24 [cited 2024 Nov. 24];42(3):343-54. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/879