@article{ angel2013two,
  title = {Two improved formulations for the minimum latency problem},
  author = {Angel-Bello, Francisco and Alvarez, Ada and García, Irma},
  journal = {Applied Mathematical Modelling},
  volume = {37},
  number = {4},
  pages = {2257--2266},
  year = {2013},
  publisher = {Elsevier},
  keywords = {pisis}
}

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