이차 수체 (quadratic number field)의 정수론

• Lectures on the Dirichlet Class Number Formula for Imaginary Quadratic Fields[1]
  
  • Tom Weston
  • good introduction to the Dirichel Class number formula for quadratic imaginary fields
• Euclidean Quadratic Fields
  
  • R. B. Eggleton, C. B. Lacampagne and J. L. Selfridge
  • The American Mathematical Monthly, Vol. 99, No. 9 (Nov., 1992), pp. 829-837