@article{10_37236_8672,
     author = {Stefaan De Winter and Klaus Metsch},
     title = {Perfect 2-colorings of the {Grassmann} graph of planes},
     journal = {The electronic journal of combinatorics},
     year = {2020},
     volume = {27},
     number = {1},
     doi = {10.37236/8672},
     zbl = {1431.05065},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/8672/}
}