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Points of symmetry of convex sets in the two-dimensional complex space —A counterexample to D. Yost's problem

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Behrends, E. Points of symmetry of convex sets in the two-dimensional complex space —A counterexample to D. Yost's problem. Math. Ann. 290, 463–471 (1991). https://doi.org/10.1007/BF01459254

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