@article{01699550, title = {Homfly polynomials of generalized Hopf links.}, journal = {Geometry \& Topology}, volume = {6}, year = {2002}, pages = {9-30}, doi = {10.2140/agt.2002.2.11}, zbl = {1002.57014}, language = {en}, url = {http://dml.mathdoc.fr/item/01699550} }
Morton, Hugh R.; Hadji, Richard J. Homfly polynomials of generalized Hopf links.. Geometry & Topology, Tome 6 (2002) pp. 9-30. doi : 10.2140/agt.2002.2.11. http://gdmltest.u-ga.fr/item/01699550/