Novikova, I. , Usacheva, E. , Zubtsovskaya, N. and Semenikhina, M. 2023. ON THE QUESTION OF THE OPTIMAL AGE FOR STARTING SPORTS: RESULTS OF A BIBLIOMETRIC ANALYSIS OF THE WORKS OF FOREIGN AND RUSSIAN SCIENTISTS. Theory and Practice of Physical Culture. 1 (Apr. 2023), 10–12.