@article{10_37236_584,
     author = {Juhani Nieminen and Matti Peltola and Pasi Ruotsalainen},
     title = {Two characterizations of hypercubes},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/584},
     zbl = {1217.05195},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/584/}
}