@article{10_1017_S0017089500030974,
     author = {Campbell, C. M. and Conder, M. D. E. and Robertson, E. F.},
     title = {Defining-relations for {Hurwitz} groups},
     journal = {Glasgow mathematical journal},
     pages = {363--370},
     year = {1994},
     volume = {36},
     number = {3},
     doi = {10.1017/S0017089500030974},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500030974/}
}