Agibalov G. P. «Watermarking ciphers» // Applied Discrete Mathematics. Supplement 2015. №8 C.54-59
Agibalov Gennady P. «Watermarking ciphers» // Applied Discrete Mathematics 2016. №1(31) C.62-66
Balachenkova Alexandra P., Tsypkin Denis O., Lyakhovitsky Evgeny A. «A.I. Yatsimirsky as the Researcher of Historical Paper of the Balkan and Carpathian Manuscripts» // Rusin 2016. №4 (46) C.153-167
