@Book{Blanchard69,
  author = 	 {A. Blanchard},
  title = 	 {Initiation {\`a} la th{\'e}orie analytique des
                  nombres premiers}, 
  publisher = 	 {Dunod},
  year = 	 1969,
  series =	 {Travaux et recherches math{\'e}matiques}
}