訂正日: 2006/10/20訂正理由: -訂正箇所: 引用文献情報訂正内容: Wrong : 1) R. Morikawa, On units of real quadratic fields, J. Number Theory, 4 (1972), 503-507. 2) Y. Yamamoto, Real quadratic number fields with large fundamental units, Osaka J. Math., 8 (1971), 261-270. 3) L.K. Hua, On the least solution of Pell's equation, Bull. Amer. Math. Soc., 48 (1942), 731-735. 4) M. Newman, Bounds for class numbers, Proc. Sympo. pure Math., 8 (1965), 70-77.
Right : [1] R. Morikawa, On units of real quadratic fields, J. Number Theory, 4 (1972), 503-507. [2] Y. Yamamoto, Real quadratic number fields with large fundamental units, Osaka J. Math., 8 (1971), 261-270. [3] L. K. Hua, On the least solution of Pell's equation, Bull. Amer. Math. Soc., 48 (1942), 731-735. [4] M. Newman, Bounds for class numbers, Proc. Sympo. pure Math., 8 (1965), 70-77.