@article{Marcotte01,
  title = {Optimal Edge-Colourings for a Class of Planar Multigraphs},
  author = {Odile Marcotte},
  year = {2001},
  url = {http://link.springer.de/link/service/journals/00493/bibs/1021003/10210361.htm},
  researchr = {https://researchr.org/publication/Marcotte01},
  cites = {0},
  citedby = {0},
  journal = {Combinatorica},
  volume = {21},
  number = {3},
  pages = {361-394},
}