00725naa#a2200181#i#4500001001600000005001700016011001400033100004100047102000700088200014200095210011000237215001000347608002700357675005900384700003800443700003200481856003000513EN\\bibl\11176920260115062152.4##a1994-4683##a20250913b2025####ek#y0engy0150####ca##aRU1#aDevelopment of speed-strength qualities in schoolchildren in athletics classes under the program of additional educationeJournal article1#aMoscowcNational State University of Physical Education, Sports and Health named after P.F. Lesgaftd2025##a4 с.##aJournal article2local##aДополнительное обучение. 371.398#1aProhorenkogAndrey Aleksandrovich#1aAntonovgAndrey Vasil'evich4#auchzapiski.lesgaft.spb.ru