00549naa#a2200205#i#450# EN\INFRA-M\bibl\10241 20240716054208.2 2075-4094 20151208b2015####ek#y0engy0150####ca RUS RU Exercise stress - criteria fitness athlete Journal article Moscow INFRA-M Academic Publishing LLC. 2015 0 с. Journal article local Belykh E. Eskov V. Fudin N. Troitskiy A. naukaru.ru