00776naa#a2200181#i#450# EN\\bibl\127445 20260709121508.4 1994-4683 20230930b2023####ek#y0engy0150####ca RU USE OF SYSTEM APPROACH IN PHYSICAL AND FUNCTIONAL TRAINING OF UNDERWATER HUNTING ENTHUSIASTS Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 3 с. Journal article local Массовый спорт. Массовое спортивное движение. Народные виды спорта. 796.034.2 Kudryavtsev Mihail Dmitrievich Panov Evgenij Valentinovich uchzapiski.lesgaft.spb.ru