- Author: Nicolae P.
- Language: English
- Author: Новиков Б.В.
- Language: Русский
- Author: Ершов А.В.
- Language: Русский
- Author: Kock Anders.
- Language: English
- Author: Wells Charles.
- Language: English
- Author: Ершов А.В.
- Language: Русский
- Author: Ершов А.В.
- Language: Русский
- Author: David I. Spivak
- Language: English
- Year: 2014