@article{GDZPPN002102889, title = {A polynomial invariant for unoriented knots and links.}, journal = {Inventiones mathematicae}, volume = {83}, year = {1986}, pages = {563-574}, zbl = {0595.57009}, url = {http://dml.mathdoc.fr/item/GDZPPN002102889} }
Lickorish, W.B.R.; Brandt, R.D. A polynomial invariant for unoriented knots and links.. Inventiones mathematicae, Tome 83 (1986) pp. 563-574. http://gdmltest.u-ga.fr/item/GDZPPN002102889/