المصدر: An Introduction to Topology and Homotopy by Allan J. Sieradski في منتدى : قسم الرياضيات السلام عليكم An Introduction to Topology and Homotopy By Allan J. Sieradski Publisher: P W S Publishers Number Of Pages: 448 Publication Date: 1991-06 ISBN-10 / ASIN: 0534929605 ISBN-13 / EAN: 9780534929602 Binding: Hardcover