00907naa#a2200205#i#450# EN\\bibl\100023 20251029021040.3 1994-4683 20251027b2025####ek#y0engy0150####ca RU Factors influencing the effectiveness of competitive performance in ski orienteering among highly qualified athletes Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 6 с. Journal article local Лыжный спорт. Бег на лыжах. Лыжные гонки. Лыжный кросс. 796.92 Методические основы видов спорта. 77.29 grnti Pavlyuk Georgiy Bogdanovich Byankina Larisa Vladimirovna Semenchukov Yuri Nikolaevich uchzapiski.lesgaft.spb.ru