@article{10_37236_11183,
     author = {Mingqing Zhai and Ruifang Liu and Jie Xue},
     title = {A unique characterization of spectral extrema for friendship graphs},
     journal = {The electronic journal of combinatorics},
     year = {2022},
     volume = {29},
     number = {3},
     doi = {10.37236/11183},
     zbl = {1496.05107},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/11183/}
}