@article{10_21136_CMJ_2021_0256_20,
     author = {Ramezani, Farzaneh and Rowlinson, Peter and Stani\'c, Zoran},
     title = {Signed graphs with at most three eigenvalues},
     journal = {Czechoslovak Mathematical Journal},
     pages = {59--77},
     publisher = {mathdoc},
     volume = {72},
     number = {1},
     year = {2022},
     doi = {10.21136/CMJ.2021.0256-20},
     mrnumber = {4389106},
     zbl = {07511553},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0256-20/}
}