(Q103216)
Statements
Erich Trefftz (German)
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21 February 1888Gregorian
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21 January 1937
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Erich Trefftz
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Identifiers
1 reference
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Wikipedia(3 entries)
- dewiki Erich Trefftz
- itwiki Erich Trefftz
- ptwiki Erich Trefftz
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Multilingual sites(1 entry)
- commonswiki Category:Erich Trefftz