@article{MAN_1981__257_163572,
     author = {Makoto Sakuma},
     title = {On the {Polynomials} of {Periodic} {Links.}},
     journal = {Mathematische Annalen},
     pages = {487--494},
     publisher = {mathdoc},
     volume = {257},
     year = {1981},
     zbl = {0458.57002},
     url = {http://geodesic.mathdoc.fr/item/MAN_1981__257_163572/}
}