@article{MZ_1921__11_167654,
     author = {M. Pasch},
     title = {Der {Ursprung} des {Zahlbegriffs}},
     journal = {Mathematische Zeitschrift},
     pages = {124--156},
     publisher = {mathdoc},
     volume = {11},
     year = {1921},
     zbl = {47.0042.03},
     url = {http://geodesic.mathdoc.fr/item/MZ_1921__11_167654/}
}