@article{GDZPPN002324571, title = {Polynomials of Invertibel Knots.}, journal = {Mathematische Annalen}, volume = {268}, year = {1984}, pages = {229-232}, zbl = {0507.57004}, url = {http://dml.mathdoc.fr/item/GDZPPN002324571} }
Sakai, Tsuyoshi. Polynomials of Invertibel Knots.. Mathematische Annalen, Tome 268 (1984) pp. 229-232. http://gdmltest.u-ga.fr/item/GDZPPN002324571/