@article{Karpova2025assessment, author={Karpova, S.N.}, title={Assessment of the relationship between the components of ensuring the effectiveness of the performances of qualified stayer swimmers at competitions}, journal={Scientific notes of P. F. Lesgaft University}, publisher={National State University of Physical Education, Sports and Health named after P.F. Lesgaft}, year={2025}, pages={113-116}, volume={0}, issue={7}, }