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10.1090/s0002-9947-97-01812-6
Chen, Mu-Fa, Wang, Feng-YuVolume:
349
Language:
english
Journal:
Transactions of the American Mathematical Society
DOI:
10.1090/s0002-9947-97-01812-6
Date:
March, 1997
File:
PDF, 550 KB
english, 1997