@article{NSJOM_2010_40_2a_14,
     author = {Alexandr Kazda},
     title = {M\"obius number systems},
     journal = {Novi Sad Journal of Mathematics},
     pages = {27-53},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {2010},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2010_40_2a_14/}
}