Lutkova, N. ., Makarov, Y. ., Panchenko, I. . and Vasiliev, D. (2026) “Improving the effectiveness of serves by elite volleyball players through the differentiation of muscular effort”, Theory and Practice of Physical Culture, (3), pp. 3–6. Available at: http://tpf1610220.nichost.ru/index.php/TPPC/article/view/1603 (Accessed: 10 June 2026).