- Author: Tokareva Natalia
- Language: English
- Year: 2015
- Author: McMahon David M
- Language: English
- Year: 2011
- Author: Goldschmidt David M
- Language: English
- Year: 2011
- Author: Вейль А. (Weil A.)
- Language: Русский
- Year: 1961
- Author: J. H. Davenport
- Language: English
- Year: 1981
- Author: Takahiro Kawai Yoshitsugu Takei
- Language: English
- Year: 2005
- Author: Natalia Tokareva
- Language: English
- Year: 2015
- Author: Gelʹfond (Gelfond) Aleksandr
- Language: English
- Year: 1960
- Author: Mebkhout Zoghman
- Language: French
- Year: 1989