Arishin, A. ., and A. . Pogrebnoy. “SUBSTANTIATION OF THE CONCEPT OF TECHNICAL AND PHYSICAL TRAINING OF SWIMMERS IN A LONG-TERM TRAINING CYCLE”. Theory and Practice of Physical Culture, no. 10, Nov. 2022, pp. 19-22, http://tpfk.ru/index.php/TPPC/article/view/411.