00754naa#a2200181#i#4500001001500000005001700015011001400032100004100046102000700087200015700094210011000251215001000361608002700371675002600398686008000424700003800504856003000542EN\\bibl\9612120250623204122.1##a1994-4683##a20250620b2025####ek#y0engy0150####ca##aRU1#aTraining of speed-strength qualities in young football players during the preparatory period at the stage of sports mastery developmenteJournal article1#aMoscowcNational State University of Physical Education, Sports and Health named after P.F. Lesgaftd2025##a7 с.##aJournal article2local##aФутбол. 796.332##aМетодические основы видов спорта. 77.292grnti#1aDmitrievgVladimir Aleksandrovich4#auchzapiski.lesgaft.spb.ru