@article{MOMA_1955__59_176963,
     author = {K. Prachar},
     title = {\"Uber die {L\"osungszahl} eines {Systems} von {Gleichungen} in {Primzahlen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {98--103},
     publisher = {mathdoc},
     volume = {59},
     year = {1955},
     zbl = {0064.04108},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1955__59_176963/}
}