@article{10_4064_aa_85_4_293_300,
     author = {Wenguang Zhai and Xiaodong Cao},
     title = {On the average number of unitary factors of finite abelian groups},
     journal = {Acta Arithmetica},
     pages = {293--300},
     publisher = {mathdoc},
     volume = {85},
     number = {4},
     year = {1998},
     doi = {10.4064/aa-85-4-293-300},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-85-4-293-300/}
}