%0 Journal Article %A R E Hartwig %A Pedro PatrĂ­cio %T The GCD for finite geometric series %J Filomat %D 2023 %P 9973 %V 37 %N 29 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2329973H/ %R 10.2298/FIL2329973H %G en %F 10_2298_FIL2329973H