@article{10_4064_cm_32_1_39_48,
     author = {J. L. Brenner and M. Randall and J. Riddell},
     title = {Covering theorems for finite non-abelian simple groups, {I}},
     journal = {Colloquium Mathematicum},
     pages = {39--48},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1974},
     doi = {10.4064/cm-32-1-39-48},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-32-1-39-48/}
}