- Author: Jorma Rissanen
- Language: English
- Year: 1989
- Author: Voevodin V.V.
- Language: English
- Year: 1992
- Author: Valentin V. Voevodin.
- Language: English
- Year: 1992
- Author: Gregory J. Chaitin
- Language: English
- Year: 1992
- Author: Gregory J. Chaitin
- Language: English
- Year: 1992
- Author: Gregory J. Chaitin
- Language: English
- Year: 1987
- Author: Jorma Rissanen
- Language: English
- Year: 1989