@article{MAN_1915__76_158702,
     author = {Ralph D. Beetle},
     title = {On the {Complete} {Independence} of {Schimmack's} {Postulates} for the {Arithmetic} {Mean}},
     journal = {Mathematische Annalen},
     pages = {444--446},
     publisher = {mathdoc},
     volume = {76},
     year = {1915},
     zbl = {45.0354.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1915__76_158702/}
}