A note on a theorem of Perles concerning non-crossing paths in convex geometric graphs.

Ana Paulina Figueroa A note on a theorem of Perles concerning non-crossing paths in convex geometric graphs. 90-91 2009 42 Comput. Geom. 1 http://dx.doi.org/10.1016/j.comgeo.2008.07.002 db/journals/comgeo/comgeo42.html#Figueroa09