3/2-approximation algorithm for two variants of a 2-depot Hamiltonian path problem

@article{Rathinam201032approximationAF,
  title={3/2-approximation algorithm for two variants of a 2-depot Hamiltonian path problem},
  author={Sivakumar Rathinam and Raja Sengupta},
  journal={Oper. Res. Lett.},
  year={2010},
  volume={38},
  pages={63-68}
}