00783naa#a2200193#i#450# EN\INFRA-M\bibl\34770 /en/manage/index 20250624053552.2 2500-3305 20191031b2019####ek#y0engy0150####ca RU Normalization of physical loads in training with somatically weakened children of 11-13 years, exercising in sports and health-improving groups of martial arts Journal article Moscow INFRA-M Academic Publishing LLC. 2019 4 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Nikitushkin Viktor Grigor'evich Min'kov P. E. fht.editorum.ru /en/manage/index