1. Preobrazhenskij, A.: Ocherk istorii cerkovnogo penija v Rossii (1915) - in Russian
2. Brajnikov, M.: New Monuments of the Znamenny Chant, Leningrad (1967) - in Russian
3. Danshina, M.V.: Using methods of machine translation for analysis of ancient music manuscripts. Novye informatsionnye tekhnologii v avtomatizirovannykh sistemakh 16, 263–266 (2013) - in Russian
4. Philippovich, A.Yu., Danshina, M.V.: The frequency analysis of verbal and melodic associations of Znamenny Chants. In: Challenges of Information Society and Applied Psycholinguistics - Proceedings of the X International Congress of the International Society of Psycholinguistics, pp. 251–252. RUDN - Institute of Linguistics RAN - MIL, Moscow (2013) - in Russian
5. Golubeva, I.V., Philippovich, A.Yu.: Syntactic analysis musical texts. Novye informatsionnye tekhnologii v avtomatizirovannykh sistemakh 16, 257–262 (2013) - in Russian