1. An introduction to non-euclidean geometry
Author: / David Gans
Library: Central Library and Archive Center of shahid Beheshti University (Tehran)
Subject: Geometry, Non - Euclidean
Classification :
516
.
9
Ga-I
2. An introduction to non-euclidean geometry
Author: / David Gans
Library: University of Tabriz Library, Documentation and Publication Center (East Azarbaijan)
Subject: Geometry, Non - Euclidean
Classification :
QA685
.
G33
3. Transformations and Geometries
Author: / by:David Gans
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Geometry,Tranformations (Mathematics)
Classification :
QA445
.
G35
1969
