@article{10_37236_6428,
     author = {Qianqian Yang and Aida Abiad and Jack H. Koolen},
     title = {An application of {Hoffman} graphs for spectral characterizations of graphs},
     journal = {The electronic journal of combinatorics},
     year = {2017},
     volume = {24},
     number = {1},
     doi = {10.37236/6428},
     zbl = {1355.05163},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/6428/}
}