@article{JRAM_1934__171_149878,
     author = {B.L. van der Waerden},
     title = {Elementarer {Beweis} eines zahlentheoretischen {Existenztheorems.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--3},
     publisher = {mathdoc},
     volume = {171},
     year = {1934},
     zbl = {0009.00601},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1934__171_149878/}
}