@article{AMI_2006_33_a3,
     author = {Zolt\'an Feh\'er and B\'ela L\'aszl\'o and Martin Ma\v{c}aj and Tibor \v{S}al\'at},
     title = {Remarks on arithmetical functions ap(n), \ensuremath{\gamma}(n), \ensuremath{\tau}(n)},
     journal = {Annales mathematicae et informaticae},
     pages = {35--43},
     publisher = {mathdoc},
     volume = {33},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMI_2006_33_a3/}
}