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| Gerald Teschl, Austrian mathematician| http://www.mat.univie.ac.at/~gerald/images/gerald.jpg| Gerald Teschl| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 3.0 at' align='center' link='https://www.austria-forum.org/cc/by-sa-30-at.html' target='_blank'}]| Datei:Gerald Teschl.jpg
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