00871naa#a2200193#i#450# EN\\bibl\104418 20251226045018.5 1994-4683 20251218b2025####ek#y0engy0150####ca RU Modification of the structural and content components of the program for preparing for the final stage of the All-Russian Schoolchildren Olympiad in Physical Education Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 7 с. Journal article local физической культуре. 372.879.6 Общие вопросы физической культуры и спорта. 77.01 grnti Kovalev Aleksey Mihaylovich Kim Tatyana Konstantinovna uchzapiski.lesgaft.spb.ru