- Author: Helmut Hasse
- Language: German
- Year: 2012
- Author: Helmut Hasse
- Language: German
- Year: 2012
- Author: Singer Ivan
- Language: English
- Year: 1970
- Author: Larsen Ronald
- Language: English
- Year: 1971
- Author: E. B. Dynkin (auth.)
- Language: English
- Year: 1965
- Author: F. Hirzebruch (auth.)
- Language: English
- Year: 1966
- Author: Kôsaku Yosida (auth.)
- Language: English
- Year: 1965
- Author: Niels Erik Nörlund (auth.)
- Language: German
- Year: 1924
- Author: Felix Klein (auth.) W. Blaschke (eds.)
- Language: German
- Year: 1926
