@article{MAN_1991__290_4_164827,
     author = {E. Behrends},
     title = {Points for symmetry of convex sets in the two-dimensional complex space - {A} counterexample to {D.} {Yost's} problem.},
     journal = {Mathematische Annalen},
     pages = {463--472},
     publisher = {mathdoc},
     volume = {290},
     number = {4},
     year = {1991},
     zbl = {0757.46017},
     url = {http://geodesic.mathdoc.fr/item/MAN_1991__290_4_164827/}
}