00669naa#a2200181#i#450# EN\\bibl\121273 20260502003400.6 1994-4683 20230803b2023####ek#y0engy0150####ca RU REGULARITIES AND PRINCIPLES OF FUNCTIONING OF THE SYSTEM OF TRAINING QUALIFIED SWIMMERS IN FINS Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 5 с. Journal article local Плавание с вспомогательными средствами. 797.22 uchzapiski.lesgaft.spb.ru