## Duke Mathematical Journal

- Duke Math. J.
- Volume 11, Number 1 (1944), 65-81.

### Hadamard’s determinant theorem and the sum of four squares

#### Article information

**Source**

Duke Math. J. Volume 11, Number 1 (1944), 65-81.

**Dates**

First available in Project Euclid: 22 February 2004

**Permanent link to this document**

http://projecteuclid.org/euclid.dmj/1077472371

**Mathematical Reviews number (MathSciNet)**

MR0009590

**Zentralblatt MATH identifier**

0060.03202

**Digital Object Identifier**

doi:10.1215/S0012-7094-44-01108-7

**Subjects**

Primary: 09.0X

#### Citation

Williamson, John. Hadamard’s determinant theorem and the sum of four squares. Duke Math. J. 11 (1944), no. 1, 65--81. doi:10.1215/S0012-7094-44-01108-7. http://projecteuclid.org/euclid.dmj/1077472371.