FEDOTOVA E.V. PROSPECTS FOR USING INDICATORS OF NON-LINEAR ANALYSIS OF HEART RATE VARIABILITY AS MARKERS OF THE FUNCTIONAL STATE OF THE ATHLETE’S BODY WHEN PERFORMING TRAINING AND TESTING LOADS. Theory and Practice of Physical Culture, [S. l.], n. 10, p. 26–29, 2023. Disponível em: http://tpfk.ru/index.php/TPPC/article/view/651. Acesso em: 16 may. 2024.