@article{10_1017_S0017089500030457,
     author = {May, Coy L. and Zimmerman, Jay},
     title = {Groups of small symmetric genus},
     journal = {Glasgow mathematical journal},
     pages = {115--129},
     year = {1995},
     volume = {37},
     number = {1},
     doi = {10.1017/S0017089500030457},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500030457/}
}