00711naa#a2200169#i#450# EN\\bibl\111309 20260325114936.3 1994-4683 20260325b2026####ek#y0engy0150####ca RU Analysis of the representativeness of Soviet and post‑Soviet swimmer training systems in the context of Olympic Games performances Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2026 6 с. Journal article local Плавание без вспомогательных средств. 797.21 Prigoda Gennadiy Sergeevich uchzapiski.lesgaft.spb.ru