@article{10_4064_aa101_4_5,
     author = {Y. K. Lau and J. Wu},
     title = {Sums of some multiplicative functions
over a special set of integers},
     journal = {Acta Arithmetica},
     pages = {365--394},
     publisher = {mathdoc},
     volume = {101},
     number = {4},
     year = {2002},
     doi = {10.4064/aa101-4-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa101-4-5/}
}