@article{10_2298_FIL2327447B,
     author = {Laurence Boxer},
     title = {Variants on digital covering maps},
     journal = {Filomat},
     pages = {9447 },
     year = {2023},
     volume = {37},
     number = {27},
     doi = {10.2298/FIL2327447B},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2327447B/}
}