Babintsev, V. P., G. N. Gaidukova, Y. I. Serkina, and A. V. Pastyuk. “Specifics of Cultural-Civilization Identity Development in the Frontier Regions of Russia and Ukraine: Diagnostic Problems”. Journal of History Culture and Art Research, vol. 6, no. 4, Sept. 2017, pp. 327-38, doi:10.7596/taksad.v6i4.1177.