@article{10_4064_aa142_2_8,
     author = {Stefan Gerhold},
     title = {Asymptotic estimates for
 some number-theoretic power series},
     journal = {Acta Arithmetica},
     pages = {187--196},
     publisher = {mathdoc},
     volume = {142},
     number = {2},
     year = {2010},
     doi = {10.4064/aa142-2-8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa142-2-8/}
}