TY - JOUR TI - Arithmetical Functions of a Greatest Common Divisor, III. Cesàro's Divisor Problem JO - Glasgow mathematical journal PY - 1961 SP - 67 EP - 75 VL - 5 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034328/ DO - 10.1017/S2040618500034328 ID - 10_1017_S2040618500034328 ER -