00660naa#a2200181#i#450# EN\\bibl\118846 20260421200812.2 1994-4683 20230525b2023####ek#y0engy0150####ca RU USE OF ULTRA-SHORT SWIMMING SEGMENTS IN SWIMMERS' SPECIAL TRAINING Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 5 с. Journal article local Плавание без вспомогательных средств. 797.21 Krylov A I Vinogradov E O uchzapiski.lesgaft.spb.ru