Laptiev, O., V. Tkachev, O. Maystrov, O. Krasikov, P. Open’ko, V. Khoroshko, and L. Parkhuts. “The Method of Spectral Analysis of the Determination of Random Digital Signals”. International Journal of Communication Networks and Information Security (IJCNIS), vol. 13, no. 2, Aug. 2021, doi:10.17762/ijcnis.v13i2.5008.