@article{10_1017_S0017089500032766,
     author = {Higgs, R. J.},
     title = {On projective characters of the same degree},
     journal = {Glasgow mathematical journal},
     pages = {431--434},
     year = {1998},
     volume = {40},
     number = {3},
     doi = {10.1017/S0017089500032766},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032766/}
}