@article{DMTCS_1998_3_1_a0,
     author = {Brandes, Ulrik and Handke, Dagmar},
     title = {NP-Completeness {Results} for {Minimum} {Planar} {Spanners}},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1998-1999},
     doi = {10.46298/dmtcs.257},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.257/}
}