TY - JOUR AU - J. REICHBACH TI - Some Characterizations of Theses of the First-order Functional Calculus. JO - Mathematische Annalen PY - 1963 SP - 195 EP - 207 VL - 152 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1963__152_161103/ ID - MAN_1963__152_161103 ER -