TY - JOUR AU - R E Hartwig AU - Pedro PatrĂ­cio TI - The GCD for finite geometric series JO - Filomat PY - 2023 SP - 9973 VL - 37 IS - 29 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2329973H/ DO - 10.2298/FIL2329973H LA - en ID - 10_2298_FIL2329973H ER -