@article{10_1017_S2040618500034274,
     author = {Rankin, R. A.},
     title = {The {Divisibility} of {Divisor} {Functions}},
     journal = {Glasgow mathematical journal},
     pages = {35--40},
     year = {1961},
     volume = {5},
     number = {1},
     doi = {10.1017/S2040618500034274},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034274/}
}