@article{10_4064_aa_61_1_1_12,
     author = {Claudia Spiro-Silverman},
     title = {When the group-counting function assumes a prescribed integer value at squarefree integers frequently, but not extremely frequently},
     journal = {Acta Arithmetica},
     pages = {1--12},
     publisher = {mathdoc},
     volume = {61},
     number = {1},
     year = {1992},
     doi = {10.4064/aa-61-1-1-12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-61-1-1-12/}
}