- Author: David E. Edmunds Vakhtang Kokilashvili Alexander Meskhi (auth.)
- Language: English
- Year: 2002
- Author: Alexander I. Stepanets (auth.)
- Language: English
- Year: 1995
- Author: N. Bourbaki (auth.)
- Language: French
- Year: 2007
- Author: Paul F.X. Müller (auth.)
- Language: English
- Year: 2005
- Author: Tibor Radó (auth.)
- Language: German
- Year: 1937
- Author: Mohamed Hesham Farouk (auth.)
- Language: English
- Year: 2014