@article{GDZPPN00241127X, title = {Fitting Formations of finite Soluble Groups.}, journal = {Mathematische Zeitschrift}, volume = {129}, year = {1972}, pages = {217-223}, zbl = {0229.20011}, url = {http://dml.mathdoc.fr/item/GDZPPN00241127X} }
Bryce, R.A.; John, Cossey. Fitting Formations of finite Soluble Groups.. Mathematische Zeitschrift, Tome 129 (1972) pp. 217-223. http://gdmltest.u-ga.fr/item/GDZPPN00241127X/