00784naa#a2200193#i#450# EN\\bibl\109196 20251207161601.7 1994-4683 20250913b2025####ek#y0engy0150####ca RU ANALYSIS OF THE MANIFESTATION OF STRONG-WILLED QUALITIES OF SKI RACERS AGED 12-14 Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 5 с. Journal article local Северный бег на лыжах. Лыжные гонки на длинные дистанции. 796.922 Sultanyarova Lilia Nikolaevna Gorbunov Sergey Sergeevich Yurinova Tatyana Ivanovna uchzapiski.lesgaft.spb.ru