Novikova N.B., Belyova A.N., Ivanova I.G., and Kotelevskaya N.B. “KINEMATIC ANALYSIS OF CLASSICAL SKIING TECHNIQUE IN SPRINT FOR YOUNG AND ADULT ATHLETES”. Theory and Practice of Physical Culture, no. 9 (September 3, 2023): 7–10. Accessed March 13, 2025. http://tpf1610220.nichost.ru/index.php/TPPC/article/view/665.