00649naa#a2200193#i#450# EN\\bibl\52226 /en/manage/index 20250225173328.2 2072-9502 20220728b2022####ek#y0engy0150####ca RU Fuzzy models in investment planning Journal article Astrakhan Astrakhan State Technical University 2022 9 с. Journal article local Теория экономико-математических моделей. 519.86 Fyedorova Natalya Vasilevna Akperov Imran Gurruevich test.editorum.ru /en/manage/index