@article{KOPYLOV2025assessment, author={KOPYLOV, K.V. and Kaun, V.A.}, title={Assessment of the effectiveness of using the concept of critical swimming speed in planning high-intensity interval training for qualified swimmers}, 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={139-144}, volume={0}, issue={8}, }