00671naa#a2200169#i#450# EN\\bibl\103122 20250821181533.4 2312-5330 20250812b2025####ek#y0engy0150####ca RU THEORETICAL BASIS OF DETERMINING THE ESSENCE OF FINANCIAL INNOVATIONS AND THE DIRECTED APPLICATION OF FINANCIAL ENGINEERING Journal article Simferopol V.I. Vernadsky Crimean Federal University 2025 11 с. Journal article local Экономика. Народное хозяйство. Экономические науки. 33 Kur'yanova Irina Vladimirovna cfuv.editorum.ru