00705naa#a2200181#i#450# EN\\bibl\113384 20260207170414.6 1994-4683 20250913b2025####ek#y0engy0150####ca RU The biomechanical characteristics of backstroke technique in highly skilled swimmers Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 5 с. Journal article local Плавание без вспомогательных средств. 797.21 Krylov Andrey Ivanovich Vinogradov Evgeniy Olegovich uchzapiski.lesgaft.spb.ru