Amirkhanova , D., and Mamyrbayev О. “CRYPTOGRAPHIC ANALYSIS OF THE SCHEME OF POLYLINEAR CRYPTOGRAPHY”. Bulletin of Abai KazNPU. Series of Physical and Mathematical sciences 83, no. 3 (September 27, 2023): 114–122. Accessed May 8, 2026. https://bulletin-phmath.kaznpu.kz/index.php/ped/article/view/1580.