TY - JOUR AU - Robert Freud TI - On sets characterizing additive arithmetical functions, I JO - Acta Arithmetica PY - 1979 SP - 333 EP - 343 VL - 35 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-35-4-333-343/ DO - 10.4064/aa-35-4-333-343 LA - en ID - 10_4064_aa_35_4_333_343 ER -