00815naa#a2200217#i#450# EN\\bibl\123378 20260706055729.1 1994-4683 20230731b2023####ek#y0engy0150####ca RU ANALYSIS OF THE FEATURES OF THE ACCELERATION PHASE TECHNIQUE IN SKI JUMPING FOR BOYS AGED 12-14 Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 6 с. Journal article local Северный бег на лыжах. Лыжные гонки на длинные дистанции. 796.922 Zakharov G G Kotelevskaya N B Ivanova I G Beleva A N Novikova N B uchzapiski.lesgaft.spb.ru