00685naa#a2200193#i#450# EN\\bibl\128241 20260727200941.1 1994-4683 20230131b2023####ek#y0engy0150####ca RU FORMATION OF ENDURANCE. THE 80/20 TECHNIQUE AS A SYSTEM FOR ACHIEVING RESULTS IN KETTLEBELL LIFTING Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 3 с. Journal article local Силовой спорт. 796.894 ZHivoderov A V Evdokimov I M ZHivoderov V A uchzapiski.lesgaft.spb.ru