@article{10_4153_CJM_2010_020_4,
     author = {Konyagin, Sergei V. and Pomerance, Carl and Shparlinski, Igor E.},
     title = {On the {Distribution} of {Pseudopowers}},
     journal = {Canadian journal of mathematics},
     pages = {582--594},
     year = {2010},
     volume = {62},
     number = {3},
     doi = {10.4153/CJM-2010-020-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-020-4/}
}