Gefter, S.L., Goncharuk А.B., and Piven А.L. “Integer Solutions for a Vector Implicit Linear Difference Equation in ZN”. Reports of the National Academy of Sciences of Ukraine, no. 11 (November 28, 2018): 11–18. Accessed June 19, 2026. https://nasu-periodicals.org.ua/index.php/dp/article/view/3035.