00576naa#a2200181#i#450# EN\\bibl\4300 20241004144620.5 2308-8877 20141201b2014####ek#y0engy0150####ca RUS RU Anlysis competitive activity winter poliatlonistov Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 6 с. Journal article local Salova Yu. Logvin I. zh-szf.ru