@article{riedler-19a,
 author = {Leitner, M. and Ljubić, I. and Riedler, M. and Ruthmair, M.},
 doi = {10.1287/ijoc.2018.0820},
 journal = {INFORMS Journal on Computing},
 number = {1},
 pages = {171–192},
 title = {Exact Approaches for Network Design Problems with Relays},
 volume = {31},
 year = {2019}
}