%0 Journal Article %A J. Wu %T On the average number of unitary factors of finite abelian groups %J Acta Arithmetica %D 1998 %P 17-29 %V 84 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-84-1-17-29/ %R 10.4064/aa-84-1-17-29 %G en %F 10_4064_aa_84_1_17_29