فهرست مقالات سمیرا سیاه منصوری مقاله 1 - The existence and uniqueness of the solution for uncertain functional differential equations 20.1001.1.25382217.2020.14.2.3.7 Nazanin Ahmadi Samira Siahmansouri Theory of Approximation and Applications , شماره 1 , سال 14 , بهار 2020