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1par McDonald Bernard R.
M.Dekker cop. 1974Livre -
2par McDonald Bernard R.
American Mathematical Society copyright 1983Livre -
3par McDonald Bernard R.
M. Dekker cop. 1984Livre -
4par McDonald Bernard R.
M.Dekker cop. 1976Livre -
5par Ring Theory Conference
M. Dekker copyright 1980Livre -
6par Ring Theory Conference
M. Dekker cop. 1977Livre -
7par Ring Theory Conference
M. Dekker 1974Livre