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References
Richard Courant
1888-1972
![](https://sdvigpress.org/images/publi/119967.jpg)
1910
Göttingen, Kaestner
Über die Methode des Dirichletschen Prinzipes
1912
Mathematische Annalen 72
Reminiscences from Hilbert's Göttingen
1981
The Mathematical Intelligencer 3/4
1888-1972
1910
Göttingen, Kaestner
1912
Mathematische Annalen 72
1981
The Mathematical Intelligencer 3/4