@article{GDZPPN002410923, title = {On the Breadth of a Finite p-Group.}, journal = {Mathematische Zeitschrift}, volume = {129}, year = {1972}, pages = {224-226}, zbl = {0224.20011}, url = {http://dml.mathdoc.fr/item/GDZPPN002410923} }
Gallian, Joseph A. On the Breadth of a Finite p-Group.. Mathematische Zeitschrift, Tome 129 (1972) pp. 224-226. http://gdmltest.u-ga.fr/item/GDZPPN002410923/