@Book{Faisant91,
  author = 	 {Alain Faisant},
  title = 	 {L'{\'e}quation diophantienne du second degr{\'e}},
  publisher = 	 {Hermann},
  year = 	 1991,
  volume =	 1430,
  series =	 {Actualit\'es scientifiques et industrielles, Formation des 
                  enseignants et formation continue}
}