00810naa#a2200169#i#450# EN\\bibl\113389 20260207101003.6 1994-4683 20250913b2025####ek#y0engy0150####ca RU Analysis of performances in competitions by qualified sprinters-crawlers as an external criterion for the effectiveness of the developed concept of improving their training system, based on individualization of the training process Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 3 с. Journal article local Плавание без вспомогательных средств. 797.21 Prigoda Gennadiy Sergeevich uchzapiski.lesgaft.spb.ru