@article{Calvete:168062,
      author        = "Calvete, H.I. and Galé, C. and Iranzo, J.A. and
                       Camacho-Vallejo, J.F. and Casas-Ramírez, M.S.",
      title         = "{A matheuristic for solving the bilevel approach of the
                       facility location problem with cardinality constraints and
                       preferences}",
      year          = "2020",
}