Rushchenko, Ihor, and Nataliya Zubar. 2021. “Putin and Chaos (How Chaos Theory Is Interpreted in the Kremlin)”. Visnyk of V. N. Karazin Kharkiv National University. Series Sociological Studies of Contemporary Society: Methodology, Theory, Methods, no. 47 (December), 7-17. https://doi.org/10.26565/2227-6521-2021-47-01.