فهرس المقالات parabolic differential equation حرية الوصول المقاله صفحة الملخص نص كامل 1 - Analytical and numerical solutions for the pricing of a combination of two financial derivatives in a market under Hull-White model Hossein Sahebi Fard Elham Dastranj Abdolmajid Abdolbaghi Ataabadi 10.22034/amfa.2021.1902303.1447