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| de:Christian Krattenthaler| Mathematisches Forschungsinstitut Oberwolfach (MFO), https://opc.mfo.de/detail?photo_id=18554| Ivonne Vetter| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 2.0 de' align='center' link='https://www.austria-forum.org/cc/by-sa-20.html' target='_blank'}]| Datei:Christian Krattenthaler.jpg
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