@article{10_4064_aa8258_4_2016,
     author = {Lorenzo Menici and Cihan Pehlivan},
     title = {Average $r$-rank {Artin} conjecture},
     journal = {Acta Arithmetica},
     pages = {255--276},
     publisher = {mathdoc},
     volume = {174},
     number = {3},
     year = {2016},
     doi = {10.4064/aa8258-4-2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa8258-4-2016/}
}