Roma´nczuk-Polubiec, U., and V. A. Ustimenko. “On New Key Exchange Multivariate Protocols Based on Pseudorandom Walks on Incidence Structures”. Reports of the National Academy of Sciences of Ukraine, no. 1 (January 28, 2015): 41–49. Accessed June 20, 2026. https://nasu-periodicals.org.ua/index.php/dp/article/view/12954.