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10.1090/s0002-9939-98-04273-7
Cerdà, Joan, Martín, JoaquimVolume:
126
Language:
english
Journal:
Proceedings of the American Mathematical Society
DOI:
10.1090/s0002-9939-98-04273-7
Date:
August, 1998
File:
PDF, 153 KB
english, 1998