00658naa#a2200169#i#450# EN\\bibl\106522 20251224170844.3 1994-4683 20251218b2025####ek#y0engy0150####ca RU The importance of psychological preparation in the process of improving the shooting qualities of qualified biathlonists Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 6 с. Journal article local Биатлон. 796.92.093.642 Petrushin Aleksandr Vladimirovich uchzapiski.lesgaft.spb.ru