00826naa#a2200193#i#450# EN\\bibl\127784 20260722030709.3 1994-4683 20231230b2023####ek#y0engy0150####ca RU FEATURES OF THE MANIFESTATION OF VOLITIONAL QUALITIES IN YOUNG SKI RACERS DURING THE PREPARATORY PERIOD OF THE ANNUAL TRAINING CYCLE Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 6 с. Journal article local Северный бег на лыжах. Лыжные гонки на длинные дистанции. 796.922 Kostareva Svetlana Vyacheslavovna Sergeev V G Chuchkov Viktor Mihaylovich uchzapiski.lesgaft.spb.ru