00760naa#a2200229#i#450# EN\\bibl\128016 20260715123136.3 1994-4683 20230228b2023####ek#y0engy0150####ca RU PSYCHOLOGICAL SUPPORT OF MODERN SPORTS ON THE EXAMPLE OF A 4X400 METER RELAY RACE Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 3 с. Journal article local Воспитание воли. 159.947.35 Pronin E A CHelyadinov V V Maksimov V N Maltsev K V Safronov K A Buravtsev S V uchzapiski.lesgaft.spb.ru