@article{Popov2014classification,
author={Popov, A.. and Kochkina, V..},
title={CLASSIFICATION OF DATA, DETERMINING THE STRUCTURE OF THE SYSTEM OF MAINTENANCE OF SPORT COMPETITIONS (BY THE EXAMPLE OF TENNIS)},
journal={Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics},
publisher={Astrakhan State Technical University},
year={2014},
pages={88-97},
volume={2014},
issue={1},
}