@article{DCG_1992__7_4_131190,
     author = {J. Urrutia and J. Czyzowicz and E. Rivera-Campo and J. Zaks},
     title = {Separating {Convex} {Sets} in the {Plane.}},
     journal = {Discrete & computational geometry},
     pages = {189--196},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {1992},
     zbl = {0749.52003},
     url = {http://geodesic.mathdoc.fr/item/DCG_1992__7_4_131190/}
}