Distance Constrained Labeling of Precolored Trees

@inproceedings{Fiala2001DistanceCL,
  title={Distance Constrained Labeling of Precolored Trees},
  author={Jir{\'i} Fiala and Jan Kratochv{\'i}l and Andrzej Proskurowski},
  booktitle={ICTCS},
  year={2001}
}