00471naa#a2200169#i#450# EN\NORMA\bibl\10809 20240909190925.1 1605-6590 20160302b2016####ek#y0engy0150####ca RUS RU Choreographic Work: Issues of Copyright Protection Journal article Moscow Legal publishing house Norm 2016 0 с. Journal article local Kirsanova Kseniya zh-szf.ru