- Author: Ya. S. Bugrov S. M. Nikolsky
- Language: English
- Year: 1982
- Author: Ya. S. Bugrov S. M. Nikolsky
- Language: English
- Year: 1984
- Author: V. I. Smirnov
- Language: English
- Year: 1964
- Author: V. I. Smirnov
- Language: English
- Year: 1964
- Author: V. I. Smirnov
- Language: English
- Year: 1964
- Author: V. I. Smirnov
- Language: English
- Year: 1964
- Author: V. I. Smirnov
- Language: English
- Year: 1964
- Author: V. I. Smirnov
- Language: English
- Year: 1964
- Author: V. I. Smirnov
- Language: English
- Year: 1964