00853naa#a2200205#i#450# EN\\bibl\96444 20250420043612.7 1994-4683 20250321b2025####ek#y0engy0150####ca RU Improvement of the techniques for starts and turns among students specializing in competitive swimming Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 7 с. Journal article local Плавание без вспомогательных средств. 797.21 Методические основы видов спорта. 77.29 grnti Grigor'eva Dar'ya Viktorovna K Regina Valer'evna Ivchenko Elena Viktorovna uchzapiski.lesgaft.spb.ru