
- Author: Gerald B. Folland, Joseph John Kohn
- Language: English
- Year: 2016

- Author: Gerald B. Folland Joseph John Kohn
- Language: English
- Year: 1972

- Author: Gerald B. Folland Joseph John Kohn
- Language: English
- Year: 1972

- Author: Gerald B. Folland Joseph John Kohn
- Language: English
- Year: 1972