@article{IM_1993__111_1_144077,
     author = {Joan S. Birman and Xiao-Song Lin},
     title = {Knot polynomials and {Vassiliev's} invariants.},
     journal = {Inventiones mathematicae},
     pages = {225--270},
     publisher = {mathdoc},
     volume = {111},
     number = {1},
     year = {1993},
     zbl = {0812.57011},
     url = {http://geodesic.mathdoc.fr/item/IM_1993__111_1_144077/}
}