Polak, M., and V.A. Ustimenko. “On New Expanders of Unbounded Degree for Practical Applications in Informatics”. Reports of the National Academy of Sciences of Ukraine, no. 6 (March 19, 2025): 44–50. Accessed May 1, 2026. https://nasu-periodicals.org.ua/index.php/dp/article/view/17289.