00477naa#a2200169#i#450# EN\\bibl\115512 20260311095805.3 2782-4586 20260131b2026####ek#y0engy0150####ca RU Comparative analysis of financial stability of competitors Journal article Moscow ITBO University 2026 13 с. Journal article local Sushko Ol'ga Petrovna Vdovina T. A. jomeam.ru