@article{JRAM_1971__248_151111,
     author = {Robert Whitley and Edward Thorp},
     title = {Partially bounded sets of infinite width.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {117--122},
     publisher = {mathdoc},
     volume = {248},
     year = {1971},
     zbl = {0212.14404},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1971__248_151111/}
}