1.
Pivovarchik VN, Martynyuk OM, Boyko OP. On a generalization of the three spectral inverse problem. MFAT [Internet]. 2016 Mar. 25 [cited 2025 Dec. 16];22(1):74-80. Available from: https://zen.imath.kiev.ua/index.php/mfat/article/view/628