TY - JOUR AU - HanĨl, Jaroslav TI - A note to the rationality of infinite series. I JO - Communications in Mathematics PY - 1997 SP - 5 EP - 11 VL - 05 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_1997__5_1_a0/ LA - en ID - COMIM_1997__5_1_a0 ER -