@article{MS2_1990__66_1_167092,
     author = {Meir Katchalski and Rafael Hope},
     title = {Separating plane convex sets.},
     journal = {Mathematica Scandinavica},
     pages = {44--46},
     publisher = {mathdoc},
     volume = {66},
     number = {1},
     year = {1990},
     zbl = {0742.52001},
     url = {http://geodesic.mathdoc.fr/item/MS2_1990__66_1_167092/}
}