For citations:

Vlasenko R.Ya., Balashova A.D., Les’ko A.Yu. The study of the heart rate among professional athletes, taking into account their personal characteristics when performing the PWC₁₇₀ standard exercise test. Vestnik of Novgorod State University. 2021;(1(122)):104-107. (In Russ.) https://doi.org/10.34680/2076-8052.2021.1(122).104-107