@article{10_37236_1850,
     author = {A. Nilli},
     title = {Tight estimates for eigenvalues of regular graphs},
     journal = {The electronic journal of combinatorics},
     year = {2004},
     volume = {11},
     number = {1},
     doi = {10.37236/1850},
     zbl = {1053.05082},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1850/}
}