1. Labachevskian geometry

Author:

Library: Central Library and Documents Center of Al-Zahra University (Tehran)

Subject: ، Geometry , Hyperbolic

Classification :
QA
685
.
S45

2. ‏‫‭Lobachevskian geometry

Author:

Library: National Library and Archives of Islamic Republic of Iran (Tehran)

Subject: موتور هیدرولیکی

Classification :
‏‫‭
QA
۶۸۵ ‏‫‭
/
الف
‬۵
ل
۹ ۱۳۵۵

3. Method of coordinates

Author:

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

Subject: Coordinates

Classification :
QA
556
.
S6
1980

4. Method of coordinates

Author:

Library: Central library and Documentation Center (Zanjan)

Subject: etanidrooCA

Classification :
QA
556
.
G27
S6
1980

5. Method of coordinates

Author:

Library: Central Library of Sharif University of Technology (Tehran)

Subject: ، Coordinates

Classification :
QA
556
.
S613