@article{10_4064_aa_14_4_409_415,
     author = {Imre K\'atai},
     title = {A remark on number-theoretical functions},
     journal = {Acta Arithmetica},
     pages = {409--415},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {1968},
     doi = {10.4064/aa-14-4-409-415},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-14-4-409-415/}
}