The Multiobjective Shortest Path Problem Is NP-Hard, or Is It?. Bökler, F. In Trautmann, H., Rudolph, G., Klamroth, K., Schütze, O., Wiecek, M. M., Jin, Y., & Grimme, C., editors, EMO, volume 10173, of Lecture Notes in Computer Science, pages 77-87, 2017. Springer.
The Multiobjective Shortest Path Problem Is NP-Hard, or Is It? [link]Link  The Multiobjective Shortest Path Problem Is NP-Hard, or Is It? [link]Paper  bibtex   
@inproceedings{conf/emo/Bokler17,
  added-at = {2017-03-03T00:00:00.000+0100},
  author = {Bökler, Fritz},
  biburl = {https://www.bibsonomy.org/bibtex/272d5280d44380a82ac99401221bd8f22/dblp},
  booktitle = {EMO},
  crossref = {conf/emo/2017},
  editor = {Trautmann, Heike and Rudolph, Günter and Klamroth, Kathrin and Schütze, Oliver and Wiecek, Margaret M. and Jin, Yaochu and Grimme, Christian},
  ee = {http://dx.doi.org/10.1007/978-3-319-54157-0_6},
  interhash = {902989ee1f595143c36251a528e5c4cd},
  intrahash = {72d5280d44380a82ac99401221bd8f22},
  isbn = {978-3-319-54156-3},
  keywords = {dblp},
  pages = {77-87},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  timestamp = {2017-03-07T11:35:05.000+0100},
  title = {The Multiobjective Shortest Path Problem Is NP-Hard, or Is It?},
  url = {http://dblp.uni-trier.de/db/conf/emo/emo2017.html#Bokler17},
  volume = 10173,
  year = 2017
}

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