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10.1090/s0002-9939-97-03639-3
van den Essen, Arno, Yu, Jie-TaiVolume:
125
Language:
english
Journal:
Proceedings of the American Mathematical Society
DOI:
10.1090/s0002-9939-97-03639-3
Date:
March, 1997
File:
PDF, 274 KB
english, 1997