Was ist Mathematik?
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- Author: Richard Courant (1888 - 1972) Herbert E. Robbins (1915 - 2001) (auth.)
- Language: German
- Year: 2010
- Author: Richard Courant (1888 - 1972) Herbert E. Robbins (1915 - 2001) (auth.)
- Language: German
- Year: 2010
- Author: Richard Courant
- Language: English
- Year: 1936
- Author: Richard Courant
- Language: Spanish
- Year: 2005
- Author: Richard Courant Fritz John
- Language: English
- Year: 1998
- Author: Richard Courant Fritz John
- Language: English
- Year: 1974
- Author: Richard Courant
- Language: Spanish
- Year: 1996
- Author: Richard Courant Fritz John
- Language: English
- Year: 1974
- Author: Richard Courant
- Language: English
- Year: 1962
- Author: Richard Courant
- Language: Spanish
- Year: 2002