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Lookup NU author(s): Professor Guyan Robertson
Author(s): Robertson G
Publication type: Article
Publication status: Published
Journal: Proceedings of the American Mathematical Society
Year: 2011
Volume: 139
Issue: 8
Pages: 2705-2711
Print publication date: 14/01/2011
Date deposited: 25/11/2011
ISSN (print): 0002-9939
ISSN (electronic): 1088-6826
Publisher: American Mathematical Society
URL: http://dx.doi.org/10.1090/S0002-9939-2011-10808-6
DOI: 10.1090/S0002-9939-2011-10808-6
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