@article{ADM_2009_4_a6,
     author = {A. M. Gaglione and S. Lipschutz and D. Spellman},
     title = {Some properties of nilpotent groups},
     journal = {Algebra and discrete mathematics},
     pages = {66--77},
     publisher = {mathdoc},
     number = {4},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2009_4_a6/}
}