@phdthesis{Kreber2019,
  author      = {Dennis Kreber},
  title       = {Cardinality-Constrained Discrete Optimization for Regression},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t Trier},
  doi       = {10.25353/ubtr-xxxx-5723-2109},
  year        = {2019},
}