Transformation of Differential – Algebric Equations system to a system of differential equations using index reduction. مجلة المنصور [انترنت]. 11 أكتوبر، 2022 [وثق 9 سبتمبر، 2025];24(1):75=83. موجود في: https://journal.muc.edu.iq/journal/article/view/161