1
Published: 1970
Superior document: Dissertationes mathematicae 73
2
Published: 1971.
Superior document: Memoirs of the American Mathematical Society ; number 107
3
Published: 1975
Superior document: Dissertationes mathematicae 123
4
Published: [2016]
Superior document: Title is part of eBook package: De Gruyter Princeton Annals of Mathematics eBook-Package 1940-2020
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