@article{10_4064_aa_23_1_89_106,
     author = {Richard Hudson},
     title = {Prime k-th power non-residues},
     journal = {Acta Arithmetica},
     pages = {89--106},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1973},
     doi = {10.4064/aa-23-1-89-106},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-23-1-89-106/}
}