@article{MAN_1929__101_159350,
     author = {P. Hertz},
     title = {\"Uber {Axiomensysteme} f\"ur beliebige {Satzsysteme}},
     journal = {Mathematische Annalen},
     pages = {457--514},
     publisher = {mathdoc},
     volume = {101},
     year = {1929},
     zbl = {55.0627.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1929__101_159350/}
}