@article{MM2_1981__36_154820,
     author = {Richard H. Hudson},
     title = {A {Theorem} on {Totally} {Mulitplicative} {Functions.}},
     journal = {Manuscripta mathematica},
     pages = {323--346},
     publisher = {mathdoc},
     volume = {36},
     year = {1981},
     zbl = {0477.10006},
     url = {http://geodesic.mathdoc.fr/item/MM2_1981__36_154820/}
}