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Diese Arbeit ist ein Teil der Dissertation des Autors, die unter der Betreuung von Prof. Dr. A. Beutelspacher an der Johannes Gutenberg-Universität in Mainz entstand.
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Grüning, K. Das kleinste Ree-Unital. Arch. Math 46, 473–480 (1986). https://doi.org/10.1007/BF01210788
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DOI: https://doi.org/10.1007/BF01210788