1. Partial differential equations
Author: W. E. Williams
Library: Central Library of Shahrekord University (Chaharmahal va Bakhtiari)
Subject: Differential equations, partial
2. Partial differential equations
Author: W. E. Williams
Library: Central Library and Information Center of Shahed University (Tehran)
Subject: Differential Equations, Partial
Classification :
QA
،
374
،.
W55
،
1980
3. Partial differential equations
Author: /W. E. Williams.
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: معادلههای دیفرانسیل جزئی
Classification :
QA
۳۷۴
/
و
۹
پ
۲ ۱۳۵۹
4. Partial differential equations
Author: Williams, William Elwyn, W. E. Williams
Library: Library and Documentation Center of Kurdistan University (Kurdistan)
Subject: ، Differential equations, Partial
Classification :
QA
374
.
W54
1980
