TY - JOUR AU - Ralph D. Beetle TI - On the Complete Independence of Schimmack's Postulates for the Arithmetic Mean JO - Mathematische Annalen PY - 1915 SP - 444 EP - 446 VL - 76 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1915__76_158702/ ID - MAN_1915__76_158702 ER -