00629naa#a2200229#i#450# EN\\bibl\43166 20250507155109.3 2413-6522 20171225b2017####ek#y0engy0150####ca RUS RU Pre-competition mental states in sports activities Journal article Moscow Ltd Radomir-M+ 2017 9 с. Journal article local Психология. 15 RUS Nechushkin Yu V Obolonskiy Yu V Ulyaeva L G Radnaguruev B B Ulyaeva G G radomir.editorum.ru