Dubrovinskiy, S.S., and A.G. Batalov. “Competition System of Elite Cross-Country Sprint Skiers During the Preparation for and Participation in the XXIV Olympic Winter Games 2022 in Beijing (PRC)”. Theory and Practice of Physical Culture, no. 4 (May 18, 2026): 87–89. Accessed June 10, 2026. http://tpf1610220.nichost.ru/index.php/TPPC/article/view/1658.