@article{COMIM_2008__16_1_a2,
     author = {Jahoda, Pavel and Jahodov\'a, Monika},
     title = {On a set of asymptotic densities},
     journal = {Communications in Mathematics},
     pages = {21--30},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2008},
     mrnumber = {2498634},
     zbl = {1222.11011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_2008__16_1_a2/}
}