@article{10_4064_aa_90_1_69_78,
     author = {Wenguang Zhai},
     title = {On the average number of direct factors of finite abelian groups {(II)}},
     journal = {Acta Arithmetica},
     pages = {69--78},
     publisher = {mathdoc},
     volume = {90},
     number = {1},
     year = {1999},
     doi = {10.4064/aa-90-1-69-78},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-90-1-69-78/}
}