@article{GDZPPN002487268,
title = {On the Average Number of Direct Factors of a Finite Abelian Group.},
journal = {Monatshefte f\"ur Mathematik},
volume = {109},
year = {1990},
pages = {63-72},
zbl = {0731.11054},
url = {http://dml.mathdoc.fr/item/GDZPPN002487268}
}
Menzer, Hartmut; Seibold, René. On the Average Number of Direct Factors of a Finite Abelian Group.. Monatshefte für Mathematik, Tome 109 (1990) pp. 63-72. http://gdmltest.u-ga.fr/item/GDZPPN002487268/