Variabel'nost' serdecnogo ritma v ocenke funkcional'nogo sostojanija volejbolistov (po programme "Omega-S") - Iordanskaya, F. A.; Malkin, R. V. (Vestnik sportivnoj nauki; Sports science bulletin, 2019)
Keywords: heart rate; variability; biorhythm; nervous system; volleyball; assessment; heart rate variability; Russia; sport games; endurance sports