1. A history of non-Euclidean geometry

Author:

Library: Library of College of Science University of Tehran (Tehran)

Subject: Geometry, Non-Euclidean -- History

Classification :
QA
685
.
R6713
1988

6. Experiencing geometry : Euclidean and non-Euclidean with history

Author:

Library: Library of Institute for Research in Fundamental Sciences (Tehran)

Subject: ، Geometry

Classification :
QA
453
.
H46E96
2005