TY - JOUR AU - Ekkehard Krätzel TI - On the average number of direct factors of a finite Abelian group JO - Acta Arithmetica PY - 1988 SP - 369 EP - 379 VL - 51 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-51-4-369-379/ DO - 10.4064/aa-51-4-369-379 LA - en ID - 10_4064_aa_51_4_369_379 ER -