Shaldanbayev A.Sh, A.A. Shaldanbayeva, и B.A. Shaldanbay. «INVERSE PROBLEM OF A STURM-LIOUVILLE OPERATOR WITH NON-SEPARATED BOUNDARY VALUE CONDITIONS AND SYMMETRIC POTENTIAL». Academic Scientific Journal of Computer Science, no. 5 (октябрь 10, 2019): 59–69. просмотрено декабрь 7, 2025. https://journals.nauka-nanrk.kz/physics-mathematics/article/view/1659.