1
Published: [1981]
Superior document: Memoirs of the American Mathematical Society, volume 30, number 242 (March 1981)
2
Published: 2016.
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3
Published: [2001]
Superior document: Contemporary mathematics, 279
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4
Published: [2021]
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5
Published: [2019]
Superior document: Title is part of eBook package: De Gruyter University of Toronto Press eBook-Package Archive 1933-1999
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6
Published: [2016]
Superior document: Title is part of eBook package: De Gruyter University of Toronto Press eBook-Package Archive 1933-1999
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7
Published: [2016]
Superior document: Title is part of eBook package: De Gruyter Princeton Annals of Mathematics eBook-Package 1940-2020
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