@article{1250131892,
author = {Bradway, Robert H. and Gross, Fletcher and Scott, W.R.},
title = {The nilpotence class of core-free quasinormal subgroups},
journal = {Rocky Mountain J. Math.},
volume = {1},
number = {4},
year = {1971},
pages = { 375-382},
language = {en},
url = {http://dml.mathdoc.fr/item/1250131892}
}
Bradway, Robert H.; Gross, Fletcher; Scott, W.R. The nilpotence class of core-free quasinormal subgroups. Rocky Mountain J. Math., Tome 1 (1971) no. 4, pp. 375-382. http://gdmltest.u-ga.fr/item/1250131892/