@article{ADM_2019_27_2_a3,
     author = {M. A. Bhat and T. A. Naikoo and S. Pirzada},
     title = {On cospectral signed digraphs},
     journal = {Algebra and discrete mathematics},
     pages = {191--201},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2019_27_2_a3/}
}