TY - JOUR AU - Claudia Spiro TI - An iteration problem involving the divisor function JO - Acta Arithmetica PY - 1985 SP - 215 EP - 225 VL - 46 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-46-3-215-225/ DO - 10.4064/aa-46-3-215-225 LA - en ID - 10_4064_aa_46_3_215_225 ER -