This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
DisquisitionesArithmeticaep. en Maksim page en This is scan of page of the first edition of Gauss' Disquisitiones Arithmeticae containing the quadratic reciprocity law The symbols and denote prime numbers of the form the symbols and denote prime numbers of the form stands for is square modulo and for is not square modulo The third