00672naa#a2200169#i#450# EN\\bibl\121386 20260429111943.3 1994-4683 20230531b2023####ek#y0engy0150####ca RU PHYSICAL TRAINING OF JUNIOR TRIATHLETES IN THE PREPARATORY MESOCYCLE Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 4 с. Journal article local Спортивная тренировка. Методика. Нагрузка. Спортивные результаты. 796.015 uchzapiski.lesgaft.spb.ru