bn:02158634n
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Categories: 1908 births, 1975 deaths, German mathematician stubs, Group theorists, 20th-century German mathematicians
EN
Helmut Ulm
EN
Helmut Ulm was a German mathematician who established the classification of countable periodic abelian groups by means of their Ulm invariants. Wikipedia
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EN
Helmut Ulm was a German mathematician who established the classification of countable periodic abelian groups by means of their Ulm invariants. Wikipedia
German mathematician Wikidata
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