@article{COMIM_2005__13_1_a1,
     author = {Jahoda, Pavel and P\v{e}luchov\'a, Monika},
     title = {Some sufficient conditions for zero asymptotic density and the expression of natural numbers as sum of values of special functions},
     journal = {Communications in Mathematics},
     pages = {13--18},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {2005},
     mrnumber = {2290414},
     zbl = {1207.11020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/COMIM_2005__13_1_a1/}
}