Kashpur, O.F., and V.V. Khlobystov. “Lagrange Interpolation Polynomial in a Linear Space With Inner Product”. Reports of the National Academy of Sciences of Ukraine, no. 8 (May 20, 2024): 12–17. Accessed July 11, 2025. https://nasu-periodicals.org.ua/index.php/dp/article/view/2916.