00755naa#a2200205#i#450# EN\\bibl\127809 20260721192916.2 1994-4683 20231230b2023####ek#y0engy0150####ca RU DETERMINING THE LEVEL OF AEROBIC FITNESS OF ATHLETES IN SKI MOUNTAINING Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 5 с. Journal article local Теория и методика отдельных видов спорта. 796.015.12 CHernousova M V CHernousov A G Sokolov P S Rubanovich Viktor Borisovich uchzapiski.lesgaft.spb.ru