@article{Kovalchuk2017block,
author={Kovalchuk, O.G.},
title={BLOCK SYSTEM OF CREATING EDUCATIONAL AND TRAINING CLASSES IN TRACK AND FIELD ATHLETICS FOR LEVEL INCREASE OF PHYSICAL FITNESS TO PASS «READY FOR LABOR AND DEFENSE» COMPLEX},
journal={Bulletin of Nizhnevartovsk State University},
publisher={Nizhnevartovsk State University},
year={2017},
pages={79-85},
volume={},
issue={3},
}