@article{10_37236_1000,
     author = {Paul Renteln},
     title = {On the spectrum of the derangement graph},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/1000},
     zbl = {1183.05047},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1000/}
}