@article{10_4064_aa101_4_2,
     author = {Shaofang Hong},
     title = {Gcd-closed sets and determinants of matrices associated
with arithmetical functions},
     journal = {Acta Arithmetica},
     pages = {321--332},
     publisher = {mathdoc},
     volume = {101},
     number = {4},
     year = {2002},
     doi = {10.4064/aa101-4-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa101-4-2/}
}