@article{10_4153_CMB_1981_020_4,
     author = {Pettet, Martin R.},
     title = {A {Note} on {Split} {Extensions} of {Finite} {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {117--119},
     year = {1981},
     volume = {24},
     number = {1},
     doi = {10.4153/CMB-1981-020-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-020-4/}
}