TY - JOUR AU - Jahoda, Pavel AU - Pěluchová, Monika TI - Some sufficient conditions for zero asymptotic density and the expression of natural numbers as sum of values of special functions JO - Communications in Mathematics PY - 2005 SP - 13 EP - 18 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_2005__13_1_a1/ LA - en ID - COMIM_2005__13_1_a1 ER -