00631naa#a2200169#i#450# EN\\bibl\118957 20260406190727.1 2949-1258 20260403b2026####ek#y0engy0150####ca RU Specifics of import substitution in the Russian aviation industry under conditions of sanctions pressure Journal article Vladivostok Vladivostok State University 2026 11 с. Journal article local Экономика. Народное хозяйство. Экономические науки. 33 Lapushkin Victor V. ojkum.editorum.ru