@article{MZ_1919__5_167539,
     author = {H., Kornblum},
     title = {\"Uber die {Primfunktionen} in einer arithmetischen {Progression}},
     journal = {Mathematische Zeitschrift},
     pages = {100--111},
     publisher = {mathdoc},
     volume = {5},
     year = {1919},
     zbl = {47.0154.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1919__5_167539/}
}