استعرض - 11 - العدد الحادي عشر حسب المؤلف "BEN. Youisf, N. M"
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Differentiable and analytic Function spaces
BEN. Youisf, N. M (Elmergib University, 2021-06)In this paper we shall prove a theorem which is very important for structure of complete analytic vector fields, and some lemmas