@article{ELA_2008__17__a39,
     author = {Liu, Bolian and Li, Gang},
     title = {A note on the largest eigenvalue of non-regular graphs},
     journal = {The electronic journal of linear algebra},
     pages = {54--61},
     publisher = {mathdoc},
     volume = {17},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2008__17__a39/}
}