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10.1090/S0002-9947-97-01591-2
Ornea, Liviu, Piccinni, PaoloVolume:
349
Language:
english
Journal:
Transactions of the American Mathematical Society
DOI:
10.1090/S0002-9947-97-01591-2
Date:
February, 1997
File:
PDF, 392 KB
english, 1997