المصدر: Topological Spaces by Claude Berge في منتدى : قسم الرياضيات السلام عليكم Topological Spaces: Including a Treatment of Multi-Valued Functions, Vector Spaces and Convexity By Claude Berge Publisher: Dover Publications Number Of Pages: 284 Publication Date: 1997-07-01 ISBN-10 / ASIN: 0486696537 ISBN-13 / EAN: 9780486696539 Binding: Paperback Product Description: Excellent study of sets in topological spaces and topological vector spaces includes systematic development of the properties of multi-valued functions. Topics include families of sets, topological spaces, mappings of one set into another, ordered sets, more. Examples included from different domains. 1963 edition .