00716naa#a2200169#i#450# EN\\bibl\95739 20260206062548.5 1994-4683 20260129b2026####ek#y0engy0150####ca RU Theoretical construction of the concept of management of technical training in freestyle snowboarding disciplines Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2026 9 с. Journal article local Лыжный спорт. Бег на лыжах. Лыжные гонки. Лыжный кросс. 796.92 Vlasenko Pavel Pavlovich uchzapiski.lesgaft.spb.ru