1. Differential equation
Author: Nielsen, Kaj Leo,4191-, ]by[ Kaj L. Nielsen
Library: Library and Documentation Center of Kurdistan University (Kurdistan)
Subject: ، Differential equations
Classification :
QA
371
.
N5
2. Logarithmic and trigonometric tables, five places with explanation of tables
Author: / by kaj L. Nielsen
Library: Central Library and Archive Center of shahid Beheshti University (Tehran)
Subject: Logarithms,Trigonometry - Tables, etc
Classification :
512
.
922
Ni-L
3. Logarithmic and trigonometric tables, five places. with explanation of tables
Author: Nielsen, Kaj Leo,4191-, by Kaj L. Nielson ..
Library: Library and Documentation Center of Kurdistan University (Kurdistan)
Subject: ، Logarithms,، Trigonometry- Tables
Classification :
QA
55
.
N54
4. Plane and spherical trigonometry
Author: / [by] Kaj L. Nielsen [and] John H. Vanlonkhuyzen
Library: Central Library and Document Center of Arak University (Markazi)
Subject: Trigonometry
Classification :
516
.
24
N669
5. Plane & spherical trigonometry
Author: / [by] Kaj L. Nielsen
Library: Library of Islamic Parliament (Tehran)
Subject:
Classification :
QA531
.
N66
1961
6. Problems in plane geometry, with solutions
Author: Horblit, Marcus., by Marcus Horblit and Kaj L. Nielsen
Library: Library and Documentation Center of Kurdistan University (Kurdistan)
Subject: ، Geometry, Plane- Problems, exercises, etc
Classification :
QA
459
.
H64
