00799naa#a2200205#i#450# EN\\bibl\124400 20260815041042.6 1994-4683 20260814b2026####ek#y0engy0150####ca RU Individual approach to the development of coordination endurance in group exercises in rhythmic gymnastics Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2026 6 с. Journal article local Художественная гимнастика. 796.412.2 Artyuh Dar'ya Vasil'evna Medvedeva Elena Nikolaevna Kiviharju Inna Vladimirovna Baryaev Aleksey Alekseevich uchzapiski.lesgaft.spb.ru