@article{MAN_1982__260_163671,
     author = {Makoto Sakuma},
     title = {On {Regular} {Coverings} of {Links.}},
     journal = {Mathematische Annalen},
     pages = {303--316},
     publisher = {mathdoc},
     volume = {260},
     year = {1982},
     zbl = {0472.57005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1982__260_163671/}
}