@article{10_4153_CMB_1969_090_3,
     author = {Chowla, S. and London, H.},
     title = {Bounds on the {N-th} {Power} {Residues} {(Mod} {P)}},
     journal = {Canadian mathematical bulletin},
     pages = {679--680},
     year = {1969},
     volume = {12},
     number = {5},
     doi = {10.4153/CMB-1969-090-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-090-3/}
}