00605naa#a2200169#i#450# EN\\bibl\109929 20260314180333.6 2413-1741 20251212b2025####ek#y0engy0150####ca RU POLITICAL STRUGGLE IN THE UMMA AFTER THE DEATH OF THE PROPHET AND THE PROBLEM OF THE ORIGINS OF THE SHIʻI MOVEMENT Journal article Simferopol V.I. Vernadsky Crimean Federal University 2025 14 с. Journal article local География. Биография. История. 9 Spivak I. A. cfuv.editorum.ru