@article{1102985571,
author = {Spencer, Armond E.},
title = {Maximal nonnormal chains in finite groups.},
journal = {Pacific J. Math.},
volume = {27},
number = {3},
year = {1968},
pages = { 167-173},
language = {en},
url = {http://dml.mathdoc.fr/item/1102985571}
}
Spencer, Armond E. Maximal nonnormal chains in finite groups.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 167-173. http://gdmltest.u-ga.fr/item/1102985571/