@article{Fedorov2017heart, author={Fedorov, A.I. and Zarchenko, P.I. and Ponomareva, V.S. and Nemolochnaia, N.V.}, title={HEART RATE REGULATION IN STUDENTS IN DIFFERENT PERIODS OF TRAINING}, journal={Bulletin of Kemerovo State University. Series: Biological, Engineering and Earth Sciences}, publisher={Kemerovo State University}, year={2017}, pages={15-21}, volume={2017}, issue={4}, }