00717naa#a2200169#i#450# EN\\bibl\111422 20260115121741.4 1994-4683 20250913b2025####ek#y0engy0150####ca RU Assessment of the relationship between the components of ensuring the effectiveness of the performances of qualified stayer swimmers at competitions Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 3 с. Journal article local Вольный стиль. Кроль, например,. 797.212.4 Karpova Svetlana Nikolaevna uchzapiski.lesgaft.spb.ru