00767naa#a2200181#i#450# EN\\bibl\111502 20260115043046.4 1994-4683 20250913b2025####ek#y0engy0150####ca RU Assessment of the effectiveness of using the concept of critical swimming speed in planning high-intensity interval training for qualified 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 KOPYLOV Konstantin V. Kaun Vladislav Aleksandrovich uchzapiski.lesgaft.spb.ru