For citations:
Korzhik V.I., Starostin V.S., Flaksman D.A. Elaboration of Digital Watermarking Method for a Protection of Cloning Attack on Paper Certificates. Proceedings of Telecommunication Universities. 2021;7(2):79-84. (In Russ.) https://doi.org/10.31854/1813-324X-2021-7-2-79-84