Чуприн, В. М., Г. Ф. Конахович, В. Г. Потапов, and А. Н. Сухопара. “Principle of Construction of System Controlling Complexes of Technical Protection of in-Formation in Digital Commutative Communication Systems”. Proceedings of National Aviation University 3, no. 2 (September 26, 1999): 121–124. Accessed May 3, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/9383.