Duisen, Symbat, Aiken Kazin, and Shirali Kadyrov. “Numerical Fractal Analysis of Exceptional Sets in the Lehner Expansion: Article”. Journal of Emerging Technologies and Computing 1, no. 1 (June 30, 2025). Accessed July 4, 2025. https://jetc.sdu.edu.kz/index.php/jetc/article/view/76.