00572naa#a2200169#i#450# EN\\bibl\58787 20241222102759.7 2312-3184 20150625b2015####ek#y0engy0150####ca RUS RU MAIN REASONS FOR DECREASE IN PHYSICAL DEVELOPMENT AND PHYSICAL FITNESS OF THE YOUNGER GENERATION Journal article Irkutsk East Siberian institute of the Ministry of Internal Affairs of the Russian Federation 2015 6 с. Journal article local Struganov S M vestnikesiirk.ru