Чуприн, В. М., Г. Ф. Конахович, В. Г. Потапов, and А. Н. Сухопара. 1999. “Principle of Construction of System Controlling Complexes of Technical Protection of in-Formation in Digital Commutative Communication Systems”. Proceedings of National Aviation University 3 (2):121-24. https://doi.org/10.18372/2306-1472.3.9383.