@article{GDZPPN002411792, title = {On Normal Subgroups of p-Solvable Groups.}, journal = {Mathematische Zeitschrift}, volume = {129}, year = {1972}, pages = {55-56}, zbl = {0233.20008}, url = {http://dml.mathdoc.fr/item/GDZPPN002411792} }
Harris, Morton. On Normal Subgroups of p-Solvable Groups.. Mathematische Zeitschrift, Tome 129 (1972) pp. 55-56. http://gdmltest.u-ga.fr/item/GDZPPN002411792/