@article{10_4064_aa142_2_7,
     author = {Yaming Lu and Yuan Yi},
     title = {On the generalization of the {D.} {H.} {Lehmer} problem {II}},
     journal = {Acta Arithmetica},
     pages = {179--186},
     publisher = {mathdoc},
     volume = {142},
     number = {2},
     year = {2010},
     doi = {10.4064/aa142-2-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa142-2-7/}
}