@article{MAN_1978__238_163189,
     author = {Morris Newman},
     title = {Normalizers of {Modular} {Groups.}},
     journal = {Mathematische Annalen},
     pages = {123--130},
     publisher = {mathdoc},
     volume = {238},
     year = {1978},
     zbl = {0372.20036},
     url = {http://geodesic.mathdoc.fr/item/MAN_1978__238_163189/}
}