@article{MOMA_1978__86_177896,
     author = {Stefan Porubsky},
     title = {Sums of {Prime} {Powers.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {301--304},
     publisher = {mathdoc},
     volume = {86},
     year = {1978},
     zbl = {0395.10052},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1978__86_177896/}
}