@article{10_2298_FIL2329973H,
     author = {R E Hartwig and Pedro Patr{\'\i}cio},
     title = {The {GCD} for finite geometric series},
     journal = {Filomat},
     pages = {9973 },
     year = {2023},
     volume = {37},
     number = {29},
     doi = {10.2298/FIL2329973H},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2329973H/}
}