@article{MM2_1983__42_154938,
     author = {Richard H. Hudson},
     title = {A {Note} on prime k-th power nonresidues.},
     journal = {Manuscripta mathematica},
     pages = {285--288},
     publisher = {mathdoc},
     volume = {42},
     year = {1983},
     zbl = {0522.10002},
     url = {http://geodesic.mathdoc.fr/item/MM2_1983__42_154938/}
}