Poddubnyi, V.O., R.Y. Gvozdov, and O.V. Sievierinov. “Using Zero Watermarks for Image Authorship and Multi-Factor Authentication”. Radiotekhnika 3, no. 218 (September 26, 2024): 35–43. Accessed May 19, 2025. http://rt.nure.ua/article/view/317420.