@inproceedings{onanexactmethodfortheconstrained,
  title = {On an exact method for the constrained shortest path problem},
  author = {Leonardo Lozano and Andrés L. Medaglia},
  year = {2012},
  booktitle = {Computers and Operations Research 2012 7},
  url = {https://doi.org/10.1016/j.cor.2012.07.008},
}