1
Published: 1987.
Superior document: Memoirs of the American Mathematical Society, Number 368
2
Published: [2016]
Superior document: Title is part of eBook package: De Gruyter Princeton Annals of Mathematics eBook-Package 1940-2020
3
Published: [1999]
Superior document: Memoirs of the American Mathematical Society, number 675
4
Published: 2017.
Superior document: Memoirs of the American Mathematical Society ; Volume 247, Number 1171 (fourth of 7 numbers)
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