@article{Ertman2025improving,
author={Ertman, Y.N. and Vitman, D.Y.},
title={Improving the game actions of volleyball players-outside hitters when playing on offense},
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={237-242},
volume={0},
issue={12},
}