Rodionov, Vadim, Sidonio Serpa, and Inessa Rodionova. 2020. “The Development of Russian Sports Psychology in the International Context: From the XIX to the XX Century1”. Revista De Psicología Del Deporte (Journal of Sport Psychology) 29 (2):139–148. https://rpd-online.com/index.php/rpd/article/view/29.