00701naa#a2200181#i#450# EN\\bibl\123415 20260706082450.1 1994-4683 20230731b2023####ek#y0engy0150####ca RU DYNAMICS OF TECHNICAL DIFFICULTY OFFREE PROGRAMS IN MEN'S SINGLE SKATE IN SEASONS 2017-2022 Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 4 с. Journal article local Фигурное катание на коньках. 796.912 Sezganov Vladislav Dmitrievich Eremina Veronika Evgenievna uchzapiski.lesgaft.spb.ru