00777naa#a2200193#i#4500001001600000005001700016011001400033100004100047102000700088200009100095210011000186215001000296608002700306675013900333700001700472700003200489700003200521856003000553EN\\bibl\12742720260709073155.4##a1994-4683##a20230930b2023####ek#y0engy0150####ca##aRU1#aREDUNDANCY AND INSUFFICIENCY IN PRACTICE CHILDREN 'S AND YOUTH SPORTSeJournal article1#aMoscowcNational State University of Physical Education, Sports and Health named after P.F. Lesgaftd2023##a5 с.##aJournal article2local##aМассовый спорт. Массовое спортивное движение. Народные виды спорта. 796.034.2#1aErmakovgV A#1aLeont'evagMariya Sergeevna#1aMerkulovagIrina Viktorovna4#auchzapiski.lesgaft.spb.ru