This VIAF Cluster has been deleted. It is no longer part of VIAF.
Helgason, Sigurdur, 1927- | Groups and geometric analysis.
VIAF ID: 312517261 ( Unknown Name Type )
Permalink: http://viaf.org/viaf/312517261
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Helgason, Sigurdur,
Language | Title | Expression | Sources |
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Russian | Gruppy i geometricheskiĭ analiz |