@article{MZ_1972__127_171769,
     author = {R.A. Bryce and Cossey John},
     title = {Fitting {Formations} of finite {Soluble} {Groups.}},
     journal = {Mathematische Zeitschrift},
     pages = {217--223},
     publisher = {mathdoc},
     volume = {127},
     year = {1972},
     zbl = {0229.20011},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__127_171769/}
}