Convex Disks Can Cover Their Shadow

@article{Ks1990ConvexDC,
  title={Convex Disks Can Cover Their Shadow},
  author={G{\'e}za K{\'o}s and Jen{\"o} T{\"o}r{\"o}csik},
  journal={Discrete & Computational Geometry},
  year={1990},
  volume={5},
  pages={529-531}
}