Ласточкін, Віктор, and Анатолій Ровний. “Adaptation Rearrangements of Heart of Young Sportsmen Depending on the Orientation of the Training Activity”. Slobozhanskyi Herald of Science and Sport, no. 3(53) (June 30, 2016): 69–73. Accessed June 30, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/71545.