00821naa#a2200193#i#450# EN\\bibl\109872 20251224131840.3 1994-4683 20250913b2025####ek#y0engy0150####ca RU Determination of sufficient values of maximum oxygen consumption in assessing the functional preparedness of cross-country skiers Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 4 с. Journal article local Северный бег на лыжах. Лыжные гонки на длинные дистанции. 796.922 Ardashev Aleksandr Evgen'evich Sergeyev V G Chuchkov Viktor Mihaylovich uchzapiski.lesgaft.spb.ru