@article{BenmansourBraun2022,
  author    = {Rachid Benmansour and Oliver Braun},
  title     = {On the minimum number of resources for a perfect schedule},
  journal   = {Central European Journal of Operations Research},
  volume    = {2022},
  pages     = {1 -- 14},
  doi       = {10.1007/s10100-022-00803-7},
  year      = {2022},
}