References
- Kaplansky , I. 1974 . Commutative rings , Chicago : The university of Chicago Press .
- Matsumura , H. 1970 . Commutative algebra , New York : W.A.Benjamin .
- Papick , I.J. 1976 . Local minimal overrings . Can.J.Math , 28 : 788 – 792 .
- Yoshida , K. 1982 . On birational-integral extension of rings and prime ideals of depth one . Japan.J.Math , 8 : 49 – 70 .