@article{GDZPPN002335514,
title = {Points for symmetry of convex sets in the two-dimensional complex space - A counterexample to D. Yost's problem.},
journal = {Mathematische Annalen},
volume = {291},
year = {1991},
pages = {463-472},
zbl = {0757.46017},
url = {http://dml.mathdoc.fr/item/GDZPPN002335514}
}
Behrends, E. Points for symmetry of convex sets in the two-dimensional complex space - A counterexample to D. Yost's problem.. Mathematische Annalen, Tome 291 (1991) pp. 463-472. http://gdmltest.u-ga.fr/item/GDZPPN002335514/