@article{CM_1994__91_1_47_0,
     author = {Wenpeng, Zhang},
     title = {A problem of {D.} {H.} {Lehmer} and its generalization {(II)}},
     journal = {Compositio Mathematica},
     pages = {47--56},
     publisher = {Kluwer Academic Publishers},
     volume = {91},
     number = {1},
     year = {1994},
     mrnumber = {1273925},
     zbl = {0798.11001},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1994__91_1_47_0/}
}