00605naa#a2200169#i#450# EN\\bibl\109534 20260302061539.1 1994-4683 20240229b2024####ek#y0engy0150####ca RU Effectiveness of method of improving technical skills of elite long jumpers Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2024 4 с. Journal article local с разбега. 796.431.22 Tatarinov Ivan Dmitrievich uchzapiski.lesgaft.spb.ru