TY - JOUR AU - HanĨl, Jaroslav TI - Rational and irrational series consisting of special denominators JO - Communications in Mathematics PY - 2001 SP - 39 EP - 44 VL - 9 IS - 1 UR - http://geodesic.mathdoc.fr/item/COMIM_2001_9_1_a4/ LA - en ID - COMIM_2001_9_1_a4 ER -