@article{10_4064_aa_48_3_209_260,
     author = {Adolf Hildebrand},
     title = {Quantitative mean value theorems for nonnegative multiplicative functions {II}},
     journal = {Acta Arithmetica},
     pages = {209--260},
     publisher = {mathdoc},
     volume = {48},
     number = {3},
     year = {1987},
     doi = {10.4064/aa-48-3-209-260},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-48-3-209-260/}
}