@article{Ivchenko2026transformation,
author={Ivchenko, E.V. and Sidorov, S.S.},
title={Transformation of the competitive activity of central forwards in modern water polo},
journal={Scientific notes of P. F. Lesgaft University},
publisher={National State University of Physical Education, Sports and Health named after P.F. Lesgaft},
year={2026},
pages={84-90},
volume={0},
issue={2},
}