@article{10_4153_CMB_1978_087_7,
     author = {Small, Charles},
     title = {Sums of {Powers} in {Arithmetic} {Progressions}},
     journal = {Canadian mathematical bulletin},
     pages = {505--506},
     year = {1978},
     volume = {21},
     number = {4},
     doi = {10.4153/CMB-1978-087-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-087-7/}
}