00742naa#a2200181#i#450# EN\\bibl\117128 20260430113736.4 1994-4683 20260429b2026####ek#y0engy0150####ca RU Application of suspension training systems in swimmer preparation during the stage of sports mastery improvement Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2026 8 с. Journal article local Плавание без вспомогательных средств. 797.21 Alekseeva Anastasiya Sergeevna Pis'mennyy Aleksandr Petrovich uchzapiski.lesgaft.spb.ru