@article{orderpreservationwithdummiesinthe,
  title = {Order preservation with dummies in the musseum pass problem},
  author = {Ricardo Martínez and Joaquín Sánchez-Soriano},
  year = {2023},
  eprint = {2307.00622},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2307.00622v1},
}