@article{MZ_1983__183_173312, author = {Adolf Hildebrand}, title = {An {Asymptotic} {Formula} for the {Variance} of an {Additive} {Function.}}, journal = {Mathematische Zeitschrift}, pages = {145--170}, publisher = {mathdoc}, volume = {183}, year = {1983}, zbl = {0493.10049}, url = {http://geodesic.mathdoc.fr/item/MZ_1983__183_173312/} }