@article{10_2140_agt_2002_2_11,
     author = {Morton, Hugh R and Hadji, Richard J},
     title = {Homfly polynomials of generalized {Hopf} links},
     journal = {Algebraic and Geometric Topology},
     pages = {11--32},
     year = {2002},
     volume = {2},
     number = {1},
     doi = {10.2140/agt.2002.2.11},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2002.2.11/}
}