1
Published: 1985.
Superior document: Memoirs of the American Mathematical Society, Volume 54, Number 324
2
Published: c2004.
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3
Published: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA Mathematics - 1990 - 1999
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4
Published: [2011]
Superior document: Title is part of eBook package: De Gruyter Asian Studies Archive (pre 2000) eBook Package
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