@article{Gorelkin2023speed,
author={Gorelkin, S.I.},
title={SPEED DEVELOPMENT 13-14YEAR OLD BOXERS},
journal={Scientific notes of P. F. Lesgaft University},
publisher={National State University of Physical Education, Sports and Health named after P.F. Lesgaft},
year={2023},
pages={121-125},
volume={0},
issue={9},
}