@article{PMF_1936_43_1_a6,
     author = {Walfisz, Arnold},
     title = {Zur additiven {Zahlentheorie}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {81--114},
     year = {1936},
     volume = {43},
     number = {1},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PMF_1936_43_1_a6/}
}