Харченко, В. С., and М. Б. Халин. “Multi-Version to Ensure the Confidentiality and Integrity of Information: Models and Methods”. Problems of Informatization and Control 1, no. 10 (March 1, 2004): 57–60. Accessed June 14, 2026. http://jrnl.kai.edu.ua/index.php/PIU/article/view/11358.