Belova, S. V., Martynov, D. E., Martynova, Y. A., & Valeev, R. M. (2018). Danube bulgarians and volga bulgars in the intellectual history of russia of the 19th century: the case of yuri venelin and andrei likhachev. Revista Publicando, 5(16 (1), 640-647. https://revistapublicando.org/revista/index.php/crv/article/view/1531