%0 Journal Article %A HanĨl, Jaroslav %T A note to the rationality of infinite series. I %J Communications in Mathematics %D 1997 %P 5-11 %V 05 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/COMIM_1997__5_1_a0/ %G en %F COMIM_1997__5_1_a0