00825naa#a2200181#i#450# EN\\bibl\98462 20250908131754.1 1994-4683 20250827b2025####ek#y0engy0150####ca RU The significance of psychological and volitional indicators of mixed martial arts (MMA) athletes in the process of preparation for competitions Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 5 с. Journal article local Прочие виды единоборства и тяжелой атлетики. 796.89 Методические основы видов спорта. 77.29 grnti Korneev Viktor Anatol'evich uchzapiski.lesgaft.spb.ru