@article{AM2_1976__14_136572,
     author = {William Kerby},
     title = {Sharply 2- and 3-transitive groups with kernels of finite index.},
     journal = {Aequationes mathematicae},
     pages = {137--142},
     publisher = {mathdoc},
     volume = {14},
     year = {1976},
     zbl = {0326.20004},
     url = {http://geodesic.mathdoc.fr/item/AM2_1976__14_136572/}
}