13C20, Class groups — 1 results found.

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On conditions for R[?,?^-1] to be exclusive and contractions of principal ideals of R[?]∪R[?^-1]

C. R. Math. Rep. Acad. Sci. Canada Vol. 21 (2) 1999, pp. 39–45
S. Oda / K. Yoshida (Received: 1998/12/08)