@article{10_4064_aa_68_3_255_263,
     author = {Wenpeng Zhang},
     title = {On the difference between a {D.} {H.} {Lehmer} number and its inverse modulo q},
     journal = {Acta Arithmetica},
     pages = {255--263},
     publisher = {mathdoc},
     volume = {68},
     number = {3},
     year = {1994},
     doi = {10.4064/aa-68-3-255-263},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-68-3-255-263/}
}